Disposable Sterile Vacuum Filter 1000ml Membrane PVDF 90mm 0.22um Rapid-Flow. Sterile & Safe: Pre-sterilized, RNase/DNase-free, Non-pyrogenic, Non-cytotoxic, and low extraction. Versatile Membranes: Available in PES, PVDF, and CA membranes for various biological liquid treatments. Ergonomic Design: Graduated upper and lower containers for convenient and easy operation. Standard Interface: GL45 interface compatible with conventional laboratory receiving containers. Low Protein Adsorption: PES membrane features very low protein adsorption rate (<1.5%). OEM/ODM Support: Full customization, minor customization, and flexible OEM/ODM services available.