Cassette, 37mm, 2 pc, 0.8µm Polycarbonate, 50/Box Back Catalog number: GC728PC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800844-4-230 Gilibrator-2 Deluxe Diagnostic Kit, with Printer 2 Price on request 810-0203-02 GilAir-3 Programmable (ATEX), Pump only Price on request 910-0914-NO-R GilAir-Plus Data Logging 3-Pump Starter Kit, Bluet Price on request