
GMP-Certified Laminar Flow Pass Box | 304 Stainless Steel | 1200x1070x1600mm Pharma Grade
Constructed with SUS304 stainless steel featuring a sandblasted finish, the window offers superior corrosion resistance and a smooth, non-porous surface that resists particle adhesion, simplifying sanitization in GMP-compliant settings. Internal rounded corners eliminate dust-trapping recesses, further enhancing cleanability and preventing microbial buildup—critical for maintaining aseptic conditions. The double-layer tempered glass windows provide crystal-clear visibility of transfers while ensuring airtight integrity, enabling secure, efficient material handling.
| Parameter Name | parameter |
| Material | SUS304 stainless steel with sandblasted finish |
| Design Features | Internal rounded corners, top-mounted illumination/sterilization lights |
| Window System | Double-layer tempered glass with silk-screened black edges |
| Interlock System | Electronic interlock with DOP testing port on front panel |
| Pressure Monitoring | Pressure gauge for real-time filter pressure tracking |
| Airflow & Noise | Air velocity: 0.35–0.75 m/s; Noise level: 45–55 dB |
| Door System | Clamping-style handles with high-elastic sealing strips |
| Fan & Filtration | Low-noise fan, high air volume impeller, H14 liquid tank filter |
| External Dimensions | W1200 × D1090 × H1600 (mm) |
| Internal Dimensions | W1000 × D1000 × H1000 (mm) |
| Certifications | ISO ,GMP,CE |

Key Features
1. Premium Construction: SUS304 stainless steel with sandblasted finish for durability and cleanroom compatibility.
2. Aesthetic & Functional Design: Rounded internal corners and double-layer tempered glass windows with black edges for visual appeal and safety.
3. Contamination Control: Electronic interlock system prevents simultaneous door opening; DOP testing port for filter integrity checks.
4. Real-Time Monitoring: Pressure gauge ensures optimal filter performance.
5. Optimized Airflow: 0.35–0.75 m/s laminar flow with 45–55 dB noise level for quiet, efficient operation.
6. Secure Sealing: Clamping-style handles and high-elastic seals ensure airtight closure.
7. Advanced Filtration: H14-grade liquid tank filter with 99.995% efficiency @ 0.3µm.
Application Scenarios
Material transfer in pharmaceutical cleanrooms.
Sterile sample handling in biomedical laboratories.
Contamination-sensitive component transfer in electronics manufacturing.






Q1: How does this GMP-certified laminar flow pass box maintain compliance with pharmaceutical standards while ensuring sterile material transfer?
A1: This pass box is engineered to meet GMP Annex 1 and ISO 14644-1 Class 5 cleanliness requirements. The laminar airflow system features HEPA H14 filters (≥99.995% efficiency at capturing particles ≥0.3μm), creating a unidirectional airflow that prevents contamination during material transfer. The 304 stainless steel construction offers a smooth, non-porous surface that resists particle buildup and is easy to sanitize, critical for pharmaceutical environments. Automatic interlocking doors and an optional UV-C sterilization system further prevent cross-contamination, ensuring aseptic conditions for sensitive processes like vial or syringe transfer in sterile manufacturing.
Q2: Can the 304 stainless steel construction withstand frequent sanitization and harsh pharmaceutical chemicals?
A2: Yes. 304 stainless steel is corrosion-resistant and durable, making it ideal for pharmaceutical settings where equipment undergoes regular cleaning with disinfectants. Its smooth finish prevents dust and debris from adhering, simplifying maintenance and reducing the risk of contamination. The pass box’s welded seams and airtight seals ensure structural integrity even with daily sanitization. For highly corrosive applications, optional upgrades to 316L stainless steel are available. Routine filter maintenance (HEPA filters: 12–18 months) and gasket inspections ensure long-term reliability in demanding cleanroom environments.
Q3: How does the 1200x1070x1600mm size balance spaciousness with efficient particle removal in pharmaceutical operations?
A3: The large dimensions accommodate bulk materials, trays, or equipment while maintaining laminar airflow efficiency. The interior design includes strategically placed nozzles that deliver uniform high-velocity air (0.3–0.5 m/s), ensuring 360° particle removal even in the expanded space. The pass box’s modular construction allows for easy installation in tight cleanroom layouts, while its ergonomic design enhances operator accessibility. By combining a generous clean zone with robust filtration, this size optimizes workflow efficiency in high-throughput pharmaceutical packaging, labelling, or material handling processes without compromising GMP compliance.