Click image to enlarge

Clean Room Pass Thru Windows

Pass-through cabinets, also called pass-through chambers, pass through boxes, and pass-through windows allow for the transfer of parts and equipment into and out of a cleanroom.  
These specialized entry systems reduce the need for people to enter your cleanroom, and, thanks to lower traffic within the cleanroom, contamination is significantly reduced.

Custom and Standard Pass Thru Cabinets

Clean Air Products offers standard and custom pass-thrus as well as a variety of other cleanroom equipment to meet your needs. Our pass-thru cabinets feature stainless steel construction—not the particle board that other manufacturers use.
Call our pass-thru experts at 888-985-2295 with any questions you have or to place an order!

Buying Pass Thrus with Clean Air Products

At Clean Air Products, our pass thru windows are available in both same day purchase and request for quote options. Our same day purchase pass thru windows are manufactured with 304 stainless steel and feature a unique double-wall construction, which encases and protects the mechanical interlock of the cabinet. Clean Air Products’ same day purchase pass thrus are convenient, easy to install, and provide the following beneficial features:

  • Double-Wall Construction
  • No Lip Design
  • Flush-Mounted Access Panels
  • Silicone Bulb Gaskets
  • Rugged, Stainless Steel Construction

Our stainless steel, wall mounted pass thrus can be purchased directly through our secure web portal, providing the clean room pass thru protection your products require.

Choosing the Right Pass-Thru for Your Applicationpass thru

View our helpful pass thru comparison charts for a side-by-side look at our most popular pass-through models.
     Wall Mounted Pass Thru Comparison Chart
     Floor Mounted Pass Thru Comparison Chart

For more information on the role of a pass thru visit
     Choosing the Right Pass Thru Window for Your Application

Or download the PDF
     How To Select a Pass Thru

Pass-through boxes and other cleanroom equipment help prevent contamination and enable manufacturers to comply with industry quality standards. Wall mounted pass-thrus are used by medical and pharmaceutical industries as well as food processing, air and spacecraft, and computers and consumer electronics. Pass-thrus all have similar design standards and features and are manufactured in three levels, including: In addition to your cleanroom equipment requirements, additional considerations in choosing the right pass-through chamber for your application include:
  • How the pass-through chamber will be mounted to the cleanroom
  • Size of wall spaces and any obstructions that will affect door swings
  • Type of material that will be transferred through the cabinet
  • Method of material transfer (by hand, conveyor belt, etc.)
  • How the pass-thru will be used by personnel
  • Any specialized requirements including HEPA filters, fire-rated doors, or pneumatic sliding doors

Stainless Steel Pass Thru Windows 

Our stainless steel pass-thru chambers are constructed with a welded stainless steel shell and unique double-wall construction that encloses and protects the mechanical interlock. This double wall also creates a lipless, flush floor for easy material transfer and cleaning. These wall-mounted pass-thru cabinets are extremely strong and durable, are easy to clean, and provide superior aesthetics for your cleanroom or pharmacy. Except for the viewing windows, these pass-thru chambers are made entirely of metal.
All of our cleanroom pass-through cabinets feature doors with heavy-duty stainless steel frames, stainless steel continuous hinges, tempered safety glass windows, silicone bulb gaskets, and stainless steel over-center compression latches. Stainless steel door frames add strength and prevent long-term warpage and cracking, a common problem with all-plastic doors.

Our wall mounted pass-thru cabinets are available with mechanical interlocks to prevent both doors from being opened at the same time. This helps prevent cleanroom depressurization and contaminant infiltration.

Standard Pass-Through Box Features

  • 304 Stainless steel main cabinet
  • 304 Stainless steel door frames
  • Stainless steel continuous hinges
  • Tempered safety glass viewing windows
  • Silicone bulb door gaskets
  • Stainless steel over-center compression latches
  • Mechanical door interlock with 316 stainless steel T-handles
  • Universal stainless steel mounting frames
  • Stainless steel hardware

Available Pass-Through Chamber Configurations

  • Wall or Floor Mounted Pass throughs
  • 90° pass-throughs
  • Fire-rated pass-throughs
  • Multi-stack pass-throughs
  • Vertical sliding door pass-throughs
  • Double door pass-throughs
  • Same swing door pass-throughs
  • Lead-lined pass-throughs

Cleanroom Pass Thru Cabinet Additional Options

  • Special or custom sizes
  • 316 stainless steel construction
  • Electropolishing
  • Fixed or adjustable shelves
  • Alternative viewing window materials, including:
    • Clear or yellow acrylic
    • Clear or amber PVC
    • Electrostatic dissipative PVC
    • Polycarbonate
    • Electrostatic dissipative polycarbonate
    • UV filtering film over clear tempered safety glass
  • Solid stainless steel doors with no windows
  • UV light
  • Door position indicator lights
  • Magnetic or electro-mechanical interlocks
  • HEPA / ULPA filter units
  • Support gussets
  • Support legs
  • Sloped top frame pieces

Contact Us for Clean Room Pass-Through Door & Cleanroom Equipment

Clean Air Products designs and manufactures a full line of standard and custom pass-thru windows, as well as softwall and hardwall cleanroomsair showers, and other cleanroom equipment. Request a quote or contact us for cleanroom pass-thru cabinets for your unique application.