Cytiva, AB2UB7PH4, Pall™ PreFlow™ membrane filter cartridge, 20-inch, 0.45 µm, double-o-ring (silicone) with bayonet lock and fin end

PreFlow™ membrane filter cartridges and discs , part of our Pall filtration portfolio, are designed for prefiltration applications including those applying to tissue culture media, vaccines and serums.
Unparalleled protection of final membrane filters
Fixed pore construction
No unloading or media migration
High-capacity for economy, high strength for design
Choice of particulate removal efficiencies
Autoclavable and steamable
Manufactured for use in conformance with cGMP
ISO 9000 Certified Quality System
PreFlow™ filters have been expressly designed to bring a significant improvement to prefiltration technology. The filter media utilized is based on our expertise in manufacturing rugged resin-bonded glass fiber composites. These sanitary-style filter cartridges are manufactured with pleated high-area construction for long service life. PreFlow™ filters are designed to reduce costs and are especially suited for biological prefiltration applications, including serum, vaccines, tissue culture media, and protein solutions.
Quality and bio-safety
Biological tests
Meets USP Biological Reactivity Test, in vivo, for Class VI-121° C Plastics
Effluent Quality Tests*
Non-Pyrogenic per USP Bacterial Endotoxins (< 0.25 EU/mL) Meets Total Organic Carbon and Water Conductivity per USP Purified Water; pH per Sterile Purified Water
* Per lot soak or rinse-up flush aliquots.