At Least 11 Things You Didn't Know about Filtration (but you should, because you probably do it all the time) | Biocompare: The Buyer's Guide for Life Scientists
Disposable Syringe Filters – Pore: 0.45 μm – PTFE – 25 mm Diameter – 50 pcs/Box [Sterilized] [Single Pack] – Lilium Laboratory Equipment and Supplies Inc.
Filtration unit Stericup® with Durapore® (PVDF) membrane Pore size 0.45 μm, 500 ml, 500 ml | Bottle-top filter systems | Filtration and separation | Filtration, Water Purification, Dialysis | Labware | Carl Roth - International
Pack of 20] Syringe Filters [Sterilized Individually Packed] PES Membrane Diameter 33mm Pore Size 0.45μm