TEFguard series

TEFguard® AirVent 50

A single-layer hydrophobic e-PTFE membrane filter for compatible air-venting applications.

Product overview

TEFguard AirVent 50 combines a hydrophobic e-PTFE membrane with a polypropylene housing in a compact vent-filter format. Selection should account for the gas or air stream, required retention, flow, moisture exposure, temperature, sterilization method and connection requirements.

Key specifications

Filter formatSingle-layer hydrophobic air-venting filter
MembraneExpanded polytetrafluoroethylene (e-PTFE), reinforced with polypropylene gauze
HousingPolypropylene (PP)
Available ratings0.2 and 0.45 µm
Filter diameter65 mm / 2.5 in
Filtration area19.5 cm² / 3 in²
Connections¼ in hose barb at inlet and outlet

Application discussions

  • Filling and transfer vessels
  • Cell-culture chambers
  • CO₂ incubators
  • Holding and storage tanks
  • Autoclave venting

Selection and use

Confirm the required rating, process compatibility, connection arrangement, operating conditions, sterilization method and current controlled documentation for the intended application before ordering or qualification.

Application support

Discuss your AirVent 50 application.

Share the gas or air stream, flow, moisture conditions, operating temperature, sterilization method and documentation needs.

Request technical consultation