Buy Sartorius 11301--47------N, Nitrate Membrane Filter, 8 um - Mega Depot
Sartorius 11407-47-ACR Membrane Disc Filter, Cellulose Nitrate, Sterile, White with Black Grids, 0.2 μm, 47 mm (Pack of 1000): Amazon.com: Industrial & Scientific
Polyethersulfone Membrane Filters - Type 154078- 0.1 µm pore size- 25 mm diameter- 100 pieces per pack | Sartorius