90 mm Supor® machV PES membrane Polystyrene housing Molded-in graduations 597 Bottle Top Filters feature a 90 mm diameter asymmetric polyethersulfone membrane. Filters screw securely onto glass media bottles with 33- or 45- mm neck sizes and allow direct filtration of liquid into…

Polystyrene Bottle Top Filters - Surfactant Free Cellulose Acetate Membrane Nalgene 292 Sterile Specially designed for use with reusable glass media storage bottles Fits size 1,000 mL bottles with standard 33 or 45 mm neck finish Contains a 90 mm SFCA membrane filter with 0.2 mm pore size.…

75 mm Supor® machV PES membrane Molded-in graduations Polystyrene housing 595 bottle-top filters feature a 75 mm diameter asymmetric polyethersulfone membrane. Filters securely screw onto glass media bottles with 33- or 45- mm neck sizes and allow direct filtration of liquid into sterile glass…