Filtration unit with cellulose nitrate membrane Pore size 0.8 μm, with grid, 150 ml, 150 ml, 50 mm | Bottle-top filter systems | Filtration and separation | Filtration, Water Purification, Dialysis | Labware | Carl Roth - Switzerland
Whatman 10407714 Cellulose Nitrate MicroPlus-21 ST Filter Membrane, Sterile, 50mm White Circle with 3.1mm Black Grid, 0.45 Micron (Pack of 100): Science Lab Filter Membranes: Amazon.com: Industrial & Scientific