These filters can be autoclaved for 0.5 hours at 121ºC, 0.1MPa or with ethylene oxide. A “Lot” Certificate of Analysis is provided with each pack of AQ™ brand Syringe Filters. Available membranes: Cellulose Acetate, Nylon, Polyethersulfone (PES), PTFE (Teflon), PVDF, Regenerated-Cellulose and High Throughput, multi-layered Nylon, NDX