Filter Units, 0.45um PES, 1000 mL; 12/Pk

Hydrophilic PES provides fast flow rate |Low protein binding excellent for filtering solutions for cell culture applications|Thermo Scientific Nalgene Bottletop Filters are polystyrene funnels with integrally welded filter membranes designed for direct filtration into sterile glass media bottles. They thread securely onto bottles with 45-mm neck. Side arms with quick-disconnect tubing adapters simplify vacuum line attachment.|Nalgene^® Filter Units provide a complete vacuum filtration system designed for the filtration of cell culture media, biological fluids, and other aqueous solutions. Each filter unit consists of polystyrene housing with a welded filter membrane mounted to a support plate in the upper structure. Slide arms with quick-disconnect tubing adapters simplify vacuum line attachment. The upper structures are easily separated from their receivers and a sterile, leakproof closure is included for filtrate storage.