Hydrophobic PTFE filtration
TEFguard® filtration series
Choose the TEFguard format that matches your filtration area, equipment footprint and process connection requirements.
One membrane family, three formats
Purpose-built PTFE filtration options.
TEFguard uses hydrophobic PTFE membrane technology across scalable cartridge and compact filter formats. Each product line is designed for a different equipment footprint and filtration-area requirement while supporting compatible gas and vent applications.
Choose by format
- Cartridge Filter Series: scalable effective filtration area across standard cartridge lengths.
- AirVent 50: compact 50 mm air-venting filter with hose-barb connections.
- Mini Series: compact 5-inch cartridge for suitable housings and lower-footprint installations.
Retention, flow, operating limits, connections, sterilization and supporting documentation vary by product. Review the dedicated page and current controlled information before selection.
Configuration support
Discuss your gas or vent application.
Provide the gas composition, flow, pressure, temperature, moisture conditions, sterilization method and required documentation.