Cellulose nitrate membrane
Designed for ease of use and better performance. Nalgene™Analytical/Microbiological Filterware provides precise, easy to use systems for the recovery and growth of microorganisms in research and industry. Disposable, preassembled, presterilized filter units and funnels with membranes which are easily removed for culturing or other analysis. Units and funnels in this family have triton-free CN (cellulose nitrate) membranes that provide superior recovery and growth of microorganisms. These products are for microbiological analysis testing of water, food, and beverage, raw materials and finished product. Nalgene™ 0.45 µm pore size cellulose nitrate membrane filters have official certification for water quality work. Polypropylene upper, polystyrene lower. Upper twists off easily for improved retrieval of the 47mm membrane. Wider base is stable on the bench. Non-silicone gasket minimizes risk of contamination. Excellent for microbial analysis, sterility testing, water quality or environmental testing. Easy-opening bag. Sterile. Graduated. Certified.