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A wide variety of sizes are available forpass box and they make it possible for passing materials & parts in oroutof a clear room without contaminating the controlled environment.

To maintain the clean room or critical areaat highly cleanliness level by eliminating unnecessary personnel pass inand out.

A mechanical or electrical doorinterlocking system prevents cross-contamination by making it impossible to open bothof front & rear doors at the same time. Or, trying to open a door as longas the opposed facing door eitherisopen or ajar.

An optional HEPA or ULPA filter is availableto meet your needs for designing either a laminar air flow type or air showertype pass box.