ENVIROPASS® Ventilated Negative Pressure Pass-Through with FFU

EnviroPass® ventilated negative pressure pass-through with fan filter unit (FFU) provides ULPA filtration, pressure equalization features with a set of go/no-go indicators, and side mount filter stub.


Ventilated Negative Pressure Pass-Through with Fan Filter Unit with ULPA Filtration

G2’s EnviroPass® ventilated negative pressure pass-through with fan filter unit (FFU) provides ULPA filtration and set of go/no-go indicators.

This negative pressure pass-through has red and green indicator lights. When door is opened and then closed, red light will glow until pressure is stabilized. Once negative pressure is achieved, green light will glow to provide visual indication that pass-through is ready to be opened.

The pass-through’s seamless weld interior features coved corners for easy cleaning and disinfection.

Heavy duty stainless steel hardware provides a lifetime of service.

The negative pressure pass-through includes a stainless steel mechanical interlock standard. Options include RFID and no-touch door controls, magnetic interlocks, and more.

The viewing windows are easy-to-clean laminated safety glass.

Model Number

Stainless Steel Ventilated Negative Pressure Pass Through

  • Model Number:  GAT-EPT-BIO-W-322749-FFU-SS


  • Overall Dimensions (without wall flange): 32” W x 27” D x 49” H
  • Pass-Through Interior Dimensions: 24” W x 24” H x 24″ D


  • Durable 16 Gauge 304 SS Construction with a #4 Brushed Finish
  • Stainless Steel Multi-Point Latches
  • Heavy Duty Stainless Steel Hinges
  • Laminated Safety Glass Viewing Windows
  • ULPA or HEPA Filtration Stub into Wall Void
  • ULPA or HEPA Fan Filter Unit Venting from or into Room (one side)
  • Go/No-go Green and Read Indicator Lights on Side Opposite FFU Vent
  • Seamless Kleen-WipeInterior (Radius-Coved Corners)


  • Stainless Steel 316 Body Construction
  • Powder Coated Mild Steel
  • Electropolished Stainless Steel
  • Stainless Steel Sloping Top
  • Illumination Options (Flourescent, LED, UV, etc)
  • Stainless Shelves (can be adjustable, removable, or sliding)
  • Custom Drawers and Trays
  • Custom Dimensions/Sizes – Contact Us to Discuss Your Requirements


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