Tef-Pure Series Cartridge Filter

PTFE Membrane Filter Cartridges

The Tef-Pure Series features absolute-rated PTFE membrane filter cartridges designed for critical filtration in chemical, gas, and ultrapure liquid applications. Constructed with polypropylene components and a high-surface-area PTFE membrane, these cartridges deliver superior chemical resistance, thermal stability, and particulate retention.

PTFE membrane provides broad chemical compatibility and low extractables
Absolute-rated filtration from 0.05 to 1 micron
High surface area single-layer membrane for enhanced flow rates
Cleanroom manufactured and 100% integrity tested
Complies with USP Class VI and applicable CFR criteria for plastics

Product Type: Element

Suitable Applications

Product Downloads

Tef-Pure Datasheet

Product Options

Materials of Construction

Media: PTFE membrane
Core/Support: Polypropylene
End Caps: Polypropylene
Gaskets/O-Rings: Buna-N, EPDM, Silicone, Viton, Teflon-encapsulated Viton

Available Sizes

Outside Diameter: 2.7″ (6.9 cm)
Inside Diameter: 1.1″ (2.79 cm)
Lengths: 10″, 20″, 30″, 40″

Design Pressure/Temperature

Maximum Operating Temperature: 203°F (95°C)

Configuration

DOE (E2), 222/Flat (E4), 222/Fin (E5), 226/Flat (E6), 226/Fin (E7), SOE with internal O-ring (E14)

Temperature Limit

203°F (95°C)

Maximum Differential Pressure

75 PSID (5.2 bar) @ 70°F (21°C)
40 PSID (2.8 bar) @ 176°F (80°C)
15 PSID (1.03 bar) @ 203°F (95°C)

Recommended Change Out Pressure

35 PSID

Micron Ratings

0.05, 0.1, 0.2, 0.45, 1

Filter Efficiency

Absolute 99.98%

Additional Details

Teflon (PTFE) membranes are highly valued in filtration due to their exceptional chemical resistance, thermal stability, and hydrophobicity. These properties make the Tef-Pure Series ideal for aggressive solvents, ultrapure water systems, electronics manufacturing, and sterilizing-grade gas applications. PTFE’s non-stick and inert characteristics also reduce the risk of contamination and make cleaning processes more efficient.