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Process Filters Cartridges - PTFE Pleated Membrane

FilterTEF is a premium filtration solution engineered for high-purity air and liquid applications where product purity and biological stability are critical. Utilizing a hydrophobic PTFE membrane with a narrow pore structure, FilterTEF delivers high flow rates, long service life, and consistent removal of microorganisms and inorganic particles. With a 0.2 μm filtration rating and 99.98% retention efficiency (β5000), it provides reliable sterilizing-grade performance while its biologically inert, low protein-binding membrane helps preserve the integrity of sensitive products and processes. 

  • The FilterTEF filter cartridge is designed and optimized to filter high purity air and liquids. It ensures end product purity and biological stability. 
  • The FilterTEF is inherently hydrophobic and contains no added surfactants or wetting agents. 
  • The FilterTEF has high performance because it uses a PTFE (polytetrafluoroethylene) mem¬brane with a narrow pore size. 
  • This membrane produces a cartridge with a high flow rate, a long operating life, and consistent removal of microorganisms and inorganic particles. 
  • The FilterTEF is available with a filtration rating of 0.2 μm and an efficiency of 99.98% (β5000). 
  • The FilterTEF membrane is biologically inert and has low protein binding properties. 

 

 Quality Standards  

  • The product is designed, developed, and manufactured to an ISO 9001‑certified quality management system. 
  • The filters are validated as sterilizing‑grade filters to current ASTM F‑838 guidelines. 
  • Each element undergoes integrity testing by bubble point and diffusion tests. 

 

Bio-Safety Standards  

  • The product is non‑pyrogenic according to USP <85> Bacterial Endotoxins. 
  • The product passes the USP Plastic Class VI test and is non‑fiber‑releasing according to CFR21. 

Materials of Construction

Microbial Retention Efficiency

Filter Media

PTFE

 

Support & Drainage Layers

Polypropylene

Cage

Polypropylene

0.2 μm

Brevundimonas diminutia TR > 10^7 / cm2

Adapter Insert

AISI1316L

 

 

Operating Conditions

 

Sterilisation

Maximum Operating Temperature

Up to 70 °C

 

Max Differential Pressure

5.0 bar at 24 ºC

Steam / Autoclave

Up to 130 ºC per 30 minutes

Max. Forward Flow Dp

1.8 bar at 50 ºC

 

Nominal Dimensions

Integrity Test Values

Junior

 

 

 

 

 

Length

62 mm

125 mm

Diameter

56 mm

The Instructions for use on the cartridge packaging show the
specification values for each filtration rate.

Standard

 

 

 

 

 

Length

250 mm

500 mm

Diameter

70 mm

 

750 mm

1000 mm

 

 

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