Pall Acrodisc Syringe Filters, 25mm, Pall Life Sciences 4501 Ptfe Membrane, Pack of 1000 $2,029.00 Pall Filter Acrdsc Syr .8UM PK1000 4568 $2,139.00 Pall Acrodisc Syringe Filters with Versapor Membranes, Pall Life Sciences 4188 25 Mm Diameter, Pack of 50 $239.99