Any customized design is available

* A wide variety of sizes are available for pass box and they make it possible for passing materials & parts in or out of a clear room without contaminating the controlled environment.
* To maintain the clean room or critical area at highly cleanliness level by eliminating unnecessary personnel pass in and out.
* A mechanical or electrical door interlocking system prevents cross-contamination by making it impossible to open both of front & rear doors at the same time. Or, trying to open a door as long as the opposed facing door either is open or ajar.
* An optional HEPA or ULPA filter is available to meet your needs for designing either a laminar air flow type or air shower type pass box.