Filtration unit with cellulose nitrate membrane Pore size 0.45 μm, with grid, 500 ml, 500 ml, 75 mm | Bottle-top filter systems | Filtration and separation | Filtration, Water Purification, Dialysis | Labware | Carl Roth - International
China Cn Syringe Filter 0.45um 25mm Cellulose Nitrate for DNA-Rna Test - China 0.22um Syringe Filter, Mce Syringe Filter