Cassette, 37mm, 3 pc, 0.8µm Polycarbonate, 50/Box Back Catalog number: GC738PC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 380-0035-01 Nephelometer Pump Assy, Replacement Price on request 910-0912-EU-R GilAir-Plus Data Logging 5-Pump Starter Kit, Bluet Price on request 800844-2-230 Gilibrator-2 Standard Flow Diagnostic Kit, 230V, E Price on request