Polytetrafluoroethylene (PTFE) membranes are unaffected by most organic solvents, concentrated acids and bases, propellants, and cryogenic fluids
Ideal for sterilization of gas and alcohols; cleaning acids, alkalies, and organic solvents; venting purposes.
Use with aggressive chemicals
Filters are Triton-free and have a bidirectional membrane support and luer lock (15/25 mm dia) or stepped barbs (50 mm dia) inlet/outlet for a secure fit to the syringe. Membrane type and pore size are printed on each filter for easy identification. All Cole-Parmer syringe filters are 100% integrity tested and manufactured in accordance with ISO 9002 standards. Sterile filters are sterilized by gamma radiation. They are certified nonpyrogenic, noncytotoxic, and are blister packed.
The Velocity 18R Plus delivers exceptional capacity (4 x 400 ml*, 36 x 15 ml, 16 x 50 ml), refrigerated centrifugation with an impressive maximum speed of 18,000 RPM (30,318 xg).