NALGENE® 151 Tissue Culture Filter Units – 500mL Capacity, polystyrene housing; nylon membrane

Feature the leakproof NALGENE® 1-½ turn threaded screw closure. Radiation–sterilized, non-pyrogenic, non-cytotoxic. 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. Membrane is also alcohol-resistant. Graduations on both uppers and receivers. The side arm features a cellulosic vent plug and a quick-disconnect tubing adapter. Membrane pore size and material are clearly marked on the RED collar. All membranes are white. Each case contains 12 glass-fiber prefilters. Sterile/Graduated.