The wall-mounted cleanroom transfer hatch also known as a pass through box or pass thru from PBSC is available in various material constructions including:

  • Powder coated steel
  • Polished stainless steel
  • Phenolic resin

This wall mounted pass through chamber includes PBSC’s reliable interlock system aiding the reduction of cross-contamination and pressure loss when passing equipment between different classification areas. The dynamic pass box plays a vital role in many different cleanrooms or controlled environments.

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  • Robust PBSC Cast Stainless Steel Hinge Assemblies
  • Tough Mechanical Interlock as Standard
  • Stainless Steel or Phenolic Resin Construction
  • Easy Clean Surfaces
  • Minimal Visible Fixings
  • Toughened Glass Door Leaf’s
  • Stunning Fully Frameless Glass Door Leaf
  • Maximum Visibility


Less threat of lower classification air entering the higher classification room.

The advantages of ventilated hatches are many....

Facilitating the quick transfer of goods between different grades of rooms, used within many different cleanroom facilities, providing a clean and attractive hatch for maximum impact.

PBSC's Wall Mounted Hatch can also be known as a Static Passbox, Cleanroom Transfer Hatch, Dynamic passbox, Pass Box, Pass Thorough, Through Box, Cleanroom Transfer Hatch, Pass Thru, Hospital Box and a Lab Box.

Technical Specification

  • Maximum Clear Width Single Door: 1000mm
  • Maximum Clear Width Double Door: Above 1000mm
  • Maximum Clear Height Single & Double Door 1200mm
  • Please contact PBSC for specific design options.
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  • PBSC reserve the right to introduce changes in performance, configuration and technology, dimension, weights and materials in the course of technical progress. Images may not be accurate.
  • Some of the information/images/equipment described or shown may only be available at extra cost. Features & specifications will vary.


  • Fire Resistant
  • Conveyor Systems to Client Specification
  • Internal Support Shelves, Glass or Stainless-Steel
  • UV Lights
  • Electro-Mechanical Interlock System
  • Powder Coated Finish
  • Stainless Steel Support Frame
  • Ventilated Air Supply / Extract