| Description | Clear, Sterile, Polystyrene, 5 plates, Tray with Lid | High-precision 4 channel, Neubauer counting chamber “improved”, pack of 50 | Opaque, Non-Sterile, 0.45 µm pore size, Hydrophilic Polytetrafluoroethylene (PTFE), 10 plates, volume 1.9mL | 45 mm threaded collar, 500 mL process volume, 0.2 µm pore size, fast flow PES Express Plus membrane, pkg of 12, radio-sterilized | 45 mm threaded collar, 150-1000 mL process volume, 0.2 µm pore size, fast flow PES Express Plus membrane, pkg of 12, radio-sterilized |