网页01 17. polypropylene housing 0.45um ptfe syringe filter Sigma Aldrich. Acrodisc® 25 mm Syringe Filter, 0.45 µm PTFE Membrane 网页Acrodisc® Syringe Filters with PTFE Membrane – 0.45 µm, 25mm (1000/pkg) Product ID: 4501 Need this product with different specifications. Product Datasheets. Min Order Qty: 1. $ 2,195.42 / PAC.