Oct 29, 2021 · PTFE is ideal for filtering and de-gassing chromatography solvents. Get Quotation. Pall 4652 Acrodisc Syringe Filters with Super Membrane. This item: Pall 4652 Acrodisc Syringe Filters with Super Membrane, Sterile, 0.2 µm, 32mm, Pack of 50 $190.91 ($3.82 / 1 Each Set) In stock. Ships from and sold by All Star Supplies, Corp..