0.45 Ptfe Filter found in: Syringe Filter, PTFE, 0.45µm, 30mm Diameter, Filter Membrane PTFE 0.45um, Syringe Filter, PTFE, 0.45µm, 13mm Diameter, Orange.. around it. Denville Syringe Filters are easy to use. They may be used with any luer-lock syringe and