Nalgene* MF75* Sterile Filter Units with Nylon Membrane

Tissue culture-grade nylon membrane has extremely low levels of extractables (less than 0.5% by weight), is naturally hydrophilic and contains no wetting agents. Excellent alcohol resistance. Features a leakproof 1 1/2 turn threaded screw closure. Graduations on both uppers and receivers. Side-arm with cellulosic vent plug and quick-disconnect tubing adapter. Lot number, catalog number, pore size, and expiration date are printed on each unit. Each case of the 500 and 1000 ml sizes includes 12 glass-fiber prefilters. Certified sterile, non-cytotoxic and non-pyrogenic. Red collar. Sterile shelf-life is 5 years.