Disposable Sterile Syringe FiltersSpecification:. Category: Lab Equipment Tags: 0.22um, 0.45um Sterile Syringe Filters Raw Material : Nylon, PTFE, PES, PVDF . Syringe Filters are simply quality filters, well packaged, and offered at a fair and competitive price. The Classic range is available in all of the major membranes including Nylon, PTFE, PES,