
Vertical Lift Door Laminar Flow Pass-Through | HEPA H14 Filter | SUS304 Stainless Steel
Parameter Name | Parameter |
Material | SUS304 stainless steel with sandblasted finish (main body & doors) |
Internal Design | UV sterilization lamp and clean lighting at top interior |
Window Design | Double-layer tempered glass with silk-screened black edges |
Control System | Electronic interlock system, DOP test port, pressure gauge |
Airflow & Noise | Air velocity: 0.35–0.75 m/s, Noise level: 45–55 dB ±5 |
Door System | Dual lift doors with tempered glass viewing windows |
Fan & Filtration | Low-noise blower with high-airflow impeller, Liquid tank filter (H14) |
Lighting | Integrated UV sterilization lamp and clean lighting |
External Dimensions | 820mm (W) × 820mm (D) × 1550mm (H) |
Internal Dimensions | 600mm (W) × 600mm (D) × 600mm (H) |
Certifications | ISO, GMP, CE |

Ultra-Clean Transfer Solution for Critical Environments
Engineered with precision for pharmaceutical, biomedical, and electronics manufacturing facilities, our Vertical Lift Door Laminar Flow Pass-Through Cabinet ensures contamination-free material transfer. Key features include:
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Aseptic Construction: Full SUS304 brushed stainless steel body & doors with tempered glass viewports, resistant to corrosion and chemical exposure.
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Advanced Filtration: Dual-stage H14 HEPA filter (99.995% efficiency @ 0.3μm) with liquid tank design, validated by DOP testing port.
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Smart Control System: Electronic interlock prevents cross-contamination; UV sterilization + LED lighting auto-activate upon door opening.
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Precision Airflow: Low-noise centrifugal fan maintains 0.35–0.75 m/s laminar flow with ±5 dB noise control.
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Real-Time Monitoring: Integrated differential pressure gauge for filter integrity checks.





Q1: How does this ISO-certified laminar flow pass box ensure compliance with strict cleanliness standards in pharmaceutical and electronics cleanrooms?
A1: This pass box is designed to meet ISO 14644-1 Class 5 (ISO 5) cleanroom requirements, ensuring particle-free transfer of materials. The HEPA H14 filters achieve ≥99.995% efficiency at capturing particles ≥0.3μm, while the laminar airflow system maintains unidirectional air movement to prevent contamination. The 304 stainless steel construction offers a smooth, non-porous surface that resists particle buildup and is easy to clean, critical for GMP and FDA-compliant environments. Additionally, automatic interlocking doors and UV-C sterilization (optional) further prevent cross-contamination, making it ideal for sterile pharmaceutical manufacturing or sensitive electronics assembly.
Q2: Can the 304 stainless steel construction withstand harsh chemicals or frequent use in pharmaceutical or electronics settings?
A2: Yes. 304 stainless steel is corrosion-resistant and durable, making it suitable for environments where exposure to mild chemicals, moisture, or frequent sanitization is common. Its smooth finish prevents dust and debris from adhering, reducing the risk of contamination. The pass box is designed for heavy use, with robust hinges and seals that maintain airtight integrity over time. For highly corrosive applications, optional upgrades to 316L stainless steel provide enhanced chemical resistance while retaining the same ISO-compliant performance. Regular cleaning and filter maintenance (HEPA filters: 12–18 months) ensure long-term reliability in demanding settings.
Q3: How does the laminar flow design of this pass box improve efficiency and reduce downtime in cleanroom operations?
A3: The laminar flow system creates a uniform, high-velocity airflow (0.3–0.5 m/s) that rapidly cleans materials as they pass through, minimizing dwell time and bottlenecks in production lines. The HEPA H14 filters maintain consistent airflow even at high usage rates, ensuring continuous compliance with cleanliness standards. The pass box’s compact, ergonomic design allows easy integration into existing cleanroom layouts, while its intuitive controls and low noise operation improve user efficiency. By reducing the need for manual cleaning or resterilization of materials, this design streamlines workflows and lowers operational costs in pharmaceutical and electronics manufacturing.