Product Description:
This 304 stainless steel pass box for labs features a smooth, seamless surface to prevent dust accumulation. Equipped with double-layer glass windows for visibility. Mechanical/electronic interlock options ensure unidirectional airflow control. Optional HEPA filter (99.97% efficiency) makes it suitable for biosafety labs and electronics cleanrooms.
 Q1: What is the "double interlock" function?
 A: It prevents both doors from opening simultaneously to avoid contamination and maintain cleanliness.
 Q2: Does a stainless steel pass box need a HEPA filter?
 A: Dynamic pass boxes require HEPA filters (≥99.97% efficiency), while static types do not.
 Q3: Which industries use pass boxes?
 A: Pharmaceuticals, hospitals, labs, food processing, electronics/semiconductor, etc.
 Q4: How to choose the size of a pass box?
 A: Base it on item dimensions. Standard sizes range from 400×400×400mm to 800×800×800mm (customizable).