Hach Company Sterile Millipore S-Pak Type HA Membrane Filters, 47 mm, 0.45 | Fisher Scientific
Filtration unit Stericup® with MILLIPORE Express® PLUS (PES) membrane Pore size 0.22 μm, 250 ml, 250 ml | Bottle-top filter systems | Filtration and separation | Filtration, Water Purification, Dialysis | Labware | Carl Roth - International
0.22um millipore filter Microporous membranes water phase film 50mm mixed cellulose ester microporous membrane - AliExpress