Bottle-top filters with PES membrane Pore size 0.45 μm, 500 ml, 75 mm | Bottle-top filter systems | Filtration and separation | Filtration, Water Purification, Dialysis | Labware | Carl Roth - Germany
Millipore® Filter Membranes
BRANDTECH SCIENTIFIC 26535 Membrane Filter, Non-Sterile, 0.2 mm Size (Pack of 10): Amazon.com: Industrial & Scientific