Sterile Triton-free cellulose nitrate membrane (CN) with excellent wetting properties and high flow rates for aqueous solutions. For cold sterilisation, clear filtration, prefiltration and ultrafiltration of buffers, microbiological culture media and other aqueous solutions. Type: Green colour coding White membrane colour Filtration units made of PS Graduated filter upper sections and filter bottles With quick connector tube adapter and cotton stopper Leakproof screw cap Filtration units are non-pyrogenic and non-cytotoxic Filtration units with volumes of 500 and 1000 ml are delivered with 12 glass fibre prefilters included. Filtration unit with cellulose nitrate membrane Pore size 0.2 μm, without grid