Understanding Pharmaceutical Cleanroom Requirements

Last month, I stood in a newly commissioned pharmaceutical manufacturing facility, watching as validation specialists meticulously tested surface after surface. What struck me wasn’t just the precision of their work, but how much attention was focused on what many might consider mundane infrastructure – particularly the cleanroom sinks. These weren’t afterthoughts in the facility design; they were critical contamination control points that demanded as much scrutiny as any production equipment.

Pharmaceutical cleanrooms operate under exceptionally strict controls. Unlike standard industrial environments, these spaces must maintain specific particulate counts, microbial levels, temperature, humidity, and pressure differentials. The classification system most commonly used globally follows ISO 14644-1 standards, with pharmaceutical manufacturing typically requiring ISO Class 5 (formerly Class 100) through ISO Class 8 (formerly Class 100,000) environments depending on the production phase.

The regulatory framework surrounding these environments is equally rigorous. FDA guidance, EU GMP Annex 1, and USP <797> et <800> all provide detailed requirements that directly impact sink design and placement. For instance, EU GMP Annex 1 specifies that equipment must be designed to minimize particle generation and microbial contamination. This directly translates to specific design requirements for sinks.

What makes a sink suitable for pharmaceutical applications? Several critical factors come into play:

Materials must be non-shedding, non-porous, and resistant to sanitizing agents. 316L stainless steel has become the gold standard due to its excellent corrosion resistance, particularly against the chloride-based disinfectants common in pharmaceutical environments.

Surface finish matters tremendously. A properly finished sink should have a surface roughness of less than 0.5μm Ra (roughness average) to prevent microbial harborage and facilitate cleaning.

Design elements like coved corners, integrated backsplashes, and seamless construction eliminate areas where contamination might accumulate.

The drain system deserves special attention. Tom Westover, a contamination control specialist I consulted with on a recent project, emphasized that “a properly designed pharmaceutical sink drain system should prevent backflow, minimize splashing, and eliminate dead legs where microbial growth could occur.”

Key Features of Pharmaceutical-Grade Cleanroom Sinks

When evaluating cleanroom sinks for pharmaceutical applications, several design features elevate certain models above standard commercial options. The distinction isn’t merely aesthetic – these features directly impact contamination control, cleaning validation, and operational efficiency.

Material selection forms the foundation of any premium pharmaceutical cleanroom sink. While 304 stainless steel might suffice for less critical areas, 316L stainless steel has become essential for most pharmaceutical applications. The “L” designation indicates low carbon content (less than 0.03%), which significantly improves weldability and reduces the risk of carbide precipitation and subsequent corrosion at weld joints. This is particularly important when the sink will be exposed to purified water systems, which can be surprisingly aggressive due to their ion-hungry nature.

The surface finish requires equal attention. A proper pharmaceutical-grade sink will feature an electropolished finish, typically between 180 and 320 grit (0.8μm to 0.4μm Ra). This process not only creates an exceptionally smooth surface but also enhances the material’s passive layer, improving chemical resistance. I’ve seen installations where this feature was overlooked, leading to microscopic crevices that harbored contaminants and eventually compromised environmental monitoring results.

YOUTH Tech has particularly focused on structural design elements that eliminate contamination risks. Their approach includes:

• Continuously welded construction with polished welds
• Elimination of horizontal surfaces where possible
• Fully integrated backsplashes (not added as separate pieces)
• Radiused (coved) corners with minimum 3/8″ radius
• Sloped surfaces to prevent liquid pooling

One often overlooked aspect is the sink’s integration with the surrounding environment. Advanced pharmaceutical cleanroom sinks are designed with flush-mounting capabilities to eliminate gaps between the sink and adjacent work surfaces. This seemingly minor detail eliminates hard-to-clean crevices that can compromise the entire room’s cleanliness.

Ergonomic considerations shouldn’t be overlooked either. The repetitive nature of cleanroom work makes proper height, reach distances, and bowl dimensions crucial for operator comfort and efficiency. Well-designed sinks typically feature bowl depths between 10-14 inches, with overall heights around 36 inches, though this can be customized based on facility needs.

The water delivery system varies significantly between models. Touch-free activation through foot pedals or electronic sensors reduces touch points and cross-contamination risk. Some advanced systems even incorporate programmable water temperature and flow duration to ensure standardized procedures.

That said, these premium features come with tradeoffs. Dr. Sarah Chen, a pharmaceutical facility designer I collaborated with on a recent project, noted: “The highest-grade sinks with all contamination control features can cost 3-5 times more than standard commercial options. Facilities need to carefully assess their actual risk profile to determine if every premium feature is necessary for their specific processes.”

Top 5 Cleanroom Sinks for Pharmaceutical Manufacturing

After consulting with several pharmaceutical manufacturing specialists and reviewing technical specifications, I’ve identified five standout cleanroom sink solutions that consistently meet the demanding requirements of pharmaceutical environments. Each offers distinct advantages for specific applications.

1. YOUTH Tech YT-CBS-316L Pharmaceutical Series

The YT-CBS-316L series stands out for its comprehensive approach to contamination control. These cleanroom sink units designed for pharmaceutical environments feature fully integrated construction with no seams or joints where bacteria might harbor. What impressed me during a recent facility tour was their attention to drain design – the drains incorporate a unique sloped profile that eliminates standing water while preventing backflow.

Les principales caractéristiques sont les suivantes :

• 316L pharmaceutical-grade stainless steel construction
• Surface finish: 0.4μm Ra electropolished
• Customizable dimensions to fit specific facility requirements
• Foot-pedal operation standard, with optional sensor activation
• Fully welded construction with polished, blended joints
• NSF/ANSI 2 compliant for food equipment standards (which exceed pharmaceutical requirements)

While the price point is higher than some competitors, the validation documentation package included with each unit can significantly reduce qualification time. During my conversation with a validation manager at a contract manufacturing organization, she noted: “The comprehensive material certifications and weld inspection reports saved us weeks of documentation work.”

2. Terra Universal BioSafe® Cleanroom Sink

Terra Universal’s BioSafe® sink series offers an integrated approach for facilities needing to coordinate multiple cleanroom furnishings. Their strength lies in modular design that allows seamless integration with adjacent casework.

Notable features include:

• 316L stainless steel with #4 finish (0.6μm Ra)
• Fire-polished edges eliminate sharp corners
• Adjustable leveling feet for uneven floors
• Available with optional HEPA-filtered hand dryers
• Programmable electronic water temperature control

The most significant limitation I’ve observed is their standard drain system, which lacks the advanced features found in some competitors. However, for Grade C/D environments where absolute sterility isn’t required, these units offer excellent value.

3. Laminaire MediSink Advanced Series

The Laminaire MediSink targets aseptic processing environments with several distinctive features. Their patented “SealSafe” mounting system eliminates the gap between the sink and wall surface – a detail that greatly simplifies cleaning validation.

Les principales caractéristiques sont les suivantes :

• Construction en acier inoxydable 316L
• 0.5μm Ra surface finish
• Proprietary drain design with removable trap for cleaning
• Reinforced bowl construction to prevent deformation
• Optional integrated paper towel dispensers and waste receptacles

During my evaluation of sink options for a cell therapy facility, their technical representative highlighted their compatibility with VHP (vaporized hydrogen peroxide) decontamination protocols. The surfaces are specifically designed to withstand repeated exposure without degradation – a critical factor for facilities using isolator technology.

4. Cleanroom Solutions PharmaWash Station

The PharmaWash Station takes a different approach, focusing on specialized applications like equipment parts washing. These high-capacity cleanroom sinks incorporate deeper bowls and chemical-resistant construction.

Notable features include:

• 316L stainless construction with reinforced substructure
• Extra-deep 16″ bowls with rounded corners
• High-clearance faucets for washing larger components
• Optional ultrasonic cleaning integration
• Enhanced drains with removable strainers for capturing debris

I recently consulted on a project where these sinks were installed in a component preparation area. The facility engineer appreciated the practical aspects: “The deeper bowls and high-clearance faucets let us properly clean complex vessel components without splashing or awkward positioning.”

The primary drawback is their size – they require significantly more floor space than standard handwashing stations, which can be problematic in space-constrained cleanrooms.

5. YOUTH Tech YT-CBS-DUAL Pharmaceutical Line

For facilities with limited space but multiple washing needs, YOUTH Tech’s dual-bowl pharmaceutical cleanroom sink configuration provides an elegant solution. These units feature two separate bowl types – one designed for handwashing and another configured for equipment cleaning.

Les principales caractéristiques sont les suivantes :

• Construction en acier inoxydable 316L
• Compartmentalized design with separate water controls
• Customizable bowl configurations for specific process needs
• Optional integrated purified water connections
• Comprehensive material certifications for validation

The real strength of these units is their space efficiency. By combining functions that would typically require separate fixtures, they can reduce the overall contamination control infrastructure footprint. This makes them particularly valuable in renovations where space is at a premium.

Installation Considerations and Best Practices

Installing pharmaceutical cleanroom sinks involves far more complexity than standard commercial plumbing. I learned this firsthand when overseeing a facility retrofit where seemingly minor installation details created validation headaches that could have been avoided with proper planning.

Water supply considerations should be addressed early in the design phase. Will the sink require purified water in addition to potable water? If so, the materials compatibility becomes even more critical, as purified water systems (whether USP Purified, WFI, or other standards) have specific material requirements to maintain water quality. Plastic supply lines may be necessary instead of traditional copper to prevent ionic contamination.

Drain configuration deserves particular scrutiny. The P-trap should be accessible for cleaning but properly sealed to prevent microbial ingress. Many facilities now prefer removable traps with sanitary connections that can be disassembled, cleaned, and sanitized periodically. Dr. Michael Rodriguez, a cleanroom certification specialist I consulted on a recent project, emphasized: “The drain is often the weak point in cleanroom sink installations – it can harbor biofilm and release microorganisms during use if not properly designed and maintained.”

Sink mounting methods significantly impact cleanability. The ideal installation eliminates gaps between the sink and surrounding surfaces. Several approaches exist:

• Flush mounting with sealed edges
• Integral sink/countertop units
• Welded-in-place installation
• Caulk-free mounting systems with mechanical compression

The space above and around the sink needs careful planning. Backsplashes should extend high enough to protect walls from splash contamination. Adjacent surfaces should be made from compatible materials with similar cleanability characteristics.

Many facilities overlook the critical integration with building systems. HVAC considerations are particularly important – the area around handwashing sinks typically has higher humidity, which can affect air filtration and potentially create conditions for microbial growth if not properly managed. One facility manager I worked with installed dedicated exhaust systems above their pharmaceutical sinks after experiencing persistent humidity issues.

Electrical considerations come into play with sensor-activated fixtures. These require low-voltage power sources that must be properly sealed and protected from water exposure. The electronics should be accessible for maintenance without compromising the cleanroom envelope.

Documentation requirements for sink installation are substantial in pharmaceutical environments. Expect to maintain records of:

• Material certifications
• Weld certifications (if applicable)
• Pressure testing of water lines
• Drain system tests
• Fixture calibration (for electronic systems)
• Surface finish verification

Maintenance and Cleaning Protocols

The commissioning of a state-of-the-art pharmaceutical sink marks just the beginning of its lifecycle. Without proper maintenance and cleaning protocols, even the most advanced sink will fail to maintain its contamination control properties. I’ve witnessed this scenario unfold in a well-designed facility where inadequate cleaning procedures led to biofilm development in sink drains – resulting in repeated environmental monitoring excursions.

Developing effective Standard Operating Procedures (SOPs) is the foundation of proper sink maintenance. These documents should cover:

• Daily cleaning procedures
• Weekly deep cleaning protocols
• Monthly preventive maintenance
• Quarterly validation testing
• Annual recertification requirements

The cleaning agent selection must balance efficacy against material compatibility. Harsh chlorine-based disinfectants may provide excellent microbial control but can damage stainless steel over time, particularly at weld points. A typical cleaning rotation might include:

1. Detergent cleaning to remove organic residues
2. Sporicidal agent application
3. Quaternary ammonium compounds for routine disinfection
4. Periodic descaling treatments (particularly important in hard water areas)

When I consulted at a contract manufacturing facility, they implemented a color-coded cleaning tool system specific to their cleanroom sink areas, preventing cross-contamination between cleaning zones. This simple system dramatically improved their environmental monitoring results.

Documentation requirements for sink maintenance are substantial and should include:

• Cleaning logs with date, time, operator, and agents used
• Verification signatures by supervisory personnel
• Periodic testing results
• Registres d'entretien
• Investigation reports for any issues identified

Preventive maintenance schedules should address potential failure points:

• Water control mechanisms (foot pedals, sensors, valves)
• Drain system components
• Joints et garnitures
• Water supply filters
• Mounting hardware

Special attention should be paid to the drain system, which represents the highest contamination risk. Some facilities have implemented drain sanitization systems that automatically dispense disinfectant solutions during periods of non-use.

Training operators in proper sink usage and maintenance is equally important. I observed one facility where improper hand positioning during washing consistently splashed water onto adjacent surfaces, creating cleaning challenges and potential contamination vectors. Their solution included both procedural improvements and the installation of splash guards.

Periodic testing should verify continuing conformance to specifications. This may include:

• Surface swabbing for bioburden
• ATP (Adenosine Triphosphate) testing for organic residue
• Drain system inspections
• Water quality testing at the point of use

Quality assurance specialist Maria Clark told me during a recent facility assessment: “We’ve found that implementing microbial sampling of sink drains as part of our environmental monitoring program gives us early warning of potential contamination issues before they become problematic.”

Études de cas : Mise en œuvre dans le monde réel

Throughout my consulting work with pharmaceutical manufacturers, I’ve observed numerous cleanroom sink implementations that offer valuable lessons. Three cases particularly stand out for illustrating both successes and challenges.

Case 1: Sterile Injectable Manufacturer’s Sink Upgrade

A manufacturer of sterile injectable products faced persistent environmental monitoring excursions traced to their aging cleanroom sinks. The original units, installed during facility commissioning 15 years earlier, featured designs that were outdated by current standards. Particular problems included:

• Seams around sink mounting that collected residue
• Insufficient backsplash height allowing wall contamination
• Faucet aerators that harbored microbial growth
• Drain systems that were difficult to clean and sanitize

Their solution involved a comprehensive upgrade to YOUTH Tech YT-CBS-316L units with fully integrated design. What made this implementation particularly successful was their methodical approach to installation validation. Rather than replacing all sinks simultaneously, they installed a single unit, developed and validated cleaning procedures, and monitored performance for three months before proceeding with facility-wide implementation.

The results were compelling: environmental monitoring excursions decreased by 78% in the first year after full implementation. An unexpected benefit emerged in water conservation – the new foot-pedal systems reduced water consumption by approximately 32% compared to the previous manual faucets.

Case 2: Contract Manufacturing Organization’s Workflow Challenges

A contract manufacturing organization (CMO) specializing in clinical trial materials faced a different challenge. Their facility layout placed sinks in positions that interrupted natural workflow patterns, resulting in inefficient movement and potential cross-contamination as operators moved between process steps.

Their solution took a novel approach: installing smaller, strategically placed pharmaceutical-grade sink stations at key transition points rather than using fewer, larger units. This distributed approach:

• Reduced travel distance for handwashing
• Minimized cross-traffic in the cleanroom
• Allowed for dedicated sinks for specific processes
• Improved compliance with handwashing procedures

Implementing this solution required careful consideration of plumbing infrastructure and drain line routing. The facility engineering manager explained: “We had to get creative with the plumbing connections to avoid penetrating classified walls. The solution involved a suspended ceiling chase that centralized drain connections while maintaining proper slopes.”

Monitoring showed that handwashing compliance improved significantly with the distributed sink model. Process efficiency increased by approximately 15% due to reduced movement, and contamination control metrics showed modest but measurable improvement.

Case 3: Cell Therapy Facility’s Material Challenge

A cell therapy manufacturing facility encountered an unexpected challenge with their newly installed cleanroom sinks. Despite selecting high-quality 316L units with appropriate finishes, they experienced surface pitting and discoloration within months of installation.

Investigation revealed that their cleaning protocol used a highly concentrated hydrogen peroxide-based disinfectant that, while excellent for microbial control, was gradually attacking the passive layer of the stainless steel. The solution required a multipronged approach:

1. Adjusting cleaning agent concentration to manufacturer-recommended levels
2. Implementing a cleaning rotation that limited exposure to aggressive agents
3. Adding a passivation step to their quarterly maintenance protocol
4. Installing protective covers during extended cleaning procedures

Dr. James Wong, the facility’s validation manager, shared: “We learned that even the highest-quality materials have limitations. The cleaning agents needed for our processes were simply more aggressive than typical pharmaceutical environments. Once we understood the interaction between our disinfectants and the sink materials, we could develop an appropriate maintenance regime.”

The experience also led to modifications in their material specification process. They now require accelerated compatibility testing between proposed cleaning agents and all cleanroom materials before implementation.

These cases illustrate a critical point: successful implementation of pharmaceutical cleanroom sinks requires consideration of not just the initial specification and installation, but also the ongoing operational context. The most successful facilities view these fixtures as integral process equipment requiring the same level of engineering control as production machinery.

Future Trends in Cleanroom Sink Technology

The pharmaceutical cleanroom sink, like all cleanroom technology, continues to evolve in response to changing regulatory requirements, technological capabilities, and industry needs. Several emerging trends are particularly worth monitoring for facilities planning upgrades or new installations.

Smart monitoring systems represent perhaps the most significant advancement in recent years. These systems embed sensors within the sink structure to track various parameters:

• Water usage patterns for sustainability monitoring
• Flow rates and temperature for procedure standardization
• Drain flow monitoring to detect potential blockages
• Usage frequency to verify compliance with handwashing protocols

During a recent conference presentation, engineer David Chen demonstrated a prototype system that links these parameters to the facility’s environmental monitoring program. “By correlating sink usage with environmental monitoring results, we can identify potential relationships between handwashing events and contamination trends,” he explained. The system also includes predictive maintenance algorithms that alert facility personnel to potential issues before they become critical.

Material science advancements are creating new possibilities for sink construction. While 316L stainless steel remains the standard, several manufacturers are exploring alternatives:

• Advanced polymer composites with embedded antimicrobial properties
• Nanostructured surfaces that resist biofilm formation
• Superhydrophobic coatings that improve drainage and reduce residue
• Self-healing surface technologies that maintain finish integrity

The integration of water conservation technologies has become increasingly important as pharmaceutical manufacturers focus on sustainability goals. Advanced systems now include:

• Ultrasonic handwashing assistance that reduces water consumption
• Gray water reclamation for non-critical uses
• Flow optimization based on actual cleaning requirements
• Heat recovery systems from drain water

Regulatory trends are also driving innovation. The FDA’s continued emphasis on contamination control and data integrity has led to the development of systems that automatically document sink usage and cleaning. These systems generate electronic records that satisfy data integrity requirements while reducing documentation burden.

One particularly interesting development I observed at a recent industry showcase was a sink system with integrated UV-C disinfection capabilities. The system directs ultraviolet light into the drain during periods of non-use, significantly reducing microbial buildup in this traditionally problematic area. Initial data suggests this technology could reduce drain bioburden by up to 99.9% compared to standard designs.

Modular designs are gaining popularity for their flexibility and scalability. These systems allow facilities to reconfigure sink placements as manufacturing processes change without major plumbing modifications. One pharmaceutical engineering director I spoke with noted: “The ability to relocate sink stations as our processes evolve has been invaluable during recent expansion projects.”

Ergonomic advancements continue to improve both comfort and contamination control. Anthropometric research has influenced the development of sink geometries that reduce splashing while accommodating a wider range of user heights and reach distances.

Looking further ahead, the concept of the “connected cleanroom” will likely extend to sink systems. Integration with building management systems, environmental monitoring programs, and quality management software will create a more holistic approach to contamination control.

As these technologies mature, pharmaceutical manufacturers will need to balance innovation against validated performance. The most successful implementations will likely take a measured approach, incorporating new technologies while maintaining core principles of contamination control and regulatory compliance.

Conclusion: Selecting the Optimal Pharmaceutical Cleanroom Sink

Selecting the appropriate cleanroom sink for pharmaceutical applications ultimately requires balancing multiple factors: contamination control effectiveness, operational efficiency, compliance requirements, and budget constraints. Through this examination, several key considerations emerge as particularly crucial to success.

Material quality and construction form the foundation of any effective implementation. The 316L stainless steel standard exists for good reason – its corrosion resistance and durability under aggressive cleaning regimens make it uniquely suited to pharmaceutical environments. Yet material alone isn’t sufficient; construction techniques like seamless welding, proper finishing, and coved corners are equally important for eliminating contamination havens.

Installation and integration with the broader cleanroom infrastructure deserve careful planning. The most advanced sink will fail to perform if improperly installed or maintained. As we’ve seen in several case studies, the interface between the sink and surrounding surfaces often presents the greatest contamination risk and requires thoughtful design.

Operational considerations should heavily influence selection. A sink that perfectly meets technical specifications but disrupts workflow or proves difficult to clean properly will ultimately compromise both efficiency and contamination control. Engaging with operators during the selection process often reveals practical insights that purely technical evaluations might miss.

The regulatory landscape continues to evolve, with increasing emphasis on demonstrating robust contamination control throughout the pharmaceutical manufacturing process. Selecting sinks with comprehensive validation packages and documentation can significantly reduce the burden of compliance while improving quality outcomes.

When evaluating the various options presented in this review, facilities should consider their specific process requirements, cleaning protocols, and risk profile. The optimal solution for a cell therapy facility with aggressive cleaning requirements will differ substantially from that of a solid oral dose manufacturer.

Future-proofing should also factor into decision-making. With technological advances accelerating in areas like smart monitoring and antimicrobial surfaces, installations should allow for potential upgrades or modifications as new capabilities emerge. Modular systems often provide greater flexibility for future adaptation.

While premium sinks represent a significant investment, their impact on contamination control and operational efficiency typically delivers compelling return on investment. One quality assurance director I worked with calculated that their sink upgrade program paid for itself within 18 months through reduced investigations and improved throughput.

The pharmaceutical cleanroom sink, though often overlooked in facility planning, remains a critical control point for contamination prevention. By applying the principles and considerations outlined in this review, facilities can select solutions that not only meet today’s requirements but continue to perform as pharmaceutical manufacturing advances.

Frequently Asked Questions of Pharmaceutical Cleanroom Sinks

Q : What features make pharmaceutical cleanroom sinks ideal for sterile compounding environments?
A: Pharmaceutical cleanroom sinks are designed to prevent contamination, often featuring hands-free operation via foot pedals or motion sensors. They comply with standards such as USP 797 and 800, ensuring compliance for sterile and hazardous compounding. These sinks are typically made from stainless steel, providing durability and ease of sanitization.

Q : What types of pharmaceutical cleanroom sinks are available for different compounding needs?
A: There are several types of sinks available, including pedestal sinks for non-hazardous environments and wall-mounted models that are ADA-compliant. Some models integrate soap dispensers for enhanced hygiene. Additionally, some sinks are part of combined washer and dryer systems to minimize water spillage and contamination.

Q : Why is USP compliance important for pharmaceutical cleanroom sinks?
A: USP compliance is crucial because it ensures that the sinks meet strict standards for sterile and hazardous drug compounding, such as those outlined in USP 797 and 800. Compliance prevents surface-borne contamination and ensures that the equipment supports the controlled environment required for pharmaceutical processing.

Q : How do airlocks contribute to the cleanliness and safety of areas with pharmaceutical cleanroom sinks?
A: Airlocks play a key role in preventing cross-contamination around pharmaceutical cleanroom sinks by maintaining pressure differentials and controlling environmental conditions. They reduce particulate entry and exit, ensuring that the cleanroom environment remains stable and compliant with relevant standards like GMP and USP.

Q : What are the key considerations for selecting pharmaceutical cleanroom sinks for GMP facilities?
A: When selecting sinks for GMP facilities, consider factors such as compliance with GMP grades (A to D), the use of HEPA or ULPA filtration systems in hand dryers, and the material of the sink, usually stainless steel. Integrated features like soap dispensers and hands-free operation are also important for maintaining hygiene and preventing contamination.

Ressources externes

1. MilliporeSigma – Cleanroom Sinks – Offers a variety of cleanroom equipment, which can be adapted for pharmaceutical cleanroom sinks, emphasizing quality and compliance with standards.

2. Terra Universal – BioSafe Cleanroom Sinks – Provides medical-grade sinks designed for critical applications, exceeding cGMP, IEST, ASTM, and ISO 14644-1 requirements, suitable for pharmaceutical environments.

3. Eagle Group – USP-Rated Sinks – Manufactures sinks compliant with U.S. Pharmacopeia standards for sterile hazardous and non-hazardous drug compounding, ideal for pharmaceutical cleanrooms.

4. ProPharma Cleanrooms – Offers a range of cleanroom furnishings, including stainless steel sinks, which are crucial for maintaining a clean and controlled environment in pharmaceutical settings.

5. NCI Clean – Cleanroom Gowning Room Sinks – Specializes in providing stainless steel sinks for cleanroom gowning rooms, suitable for pharmaceutical facilities requiring effective hand washing stations.

6. Cleanroom Sinks by CleanPro – Offers custom cleanroom sinks constructed from high-quality stainless steel, allowing for modular designs to fit specific pharmaceutical cleanroom needs.