Cassette, 25mm, 3 pc, 0.8µm Polycarbonate, 50/Box Back Catalog number: GCZ008PC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 201050-100 Filter, Replacement (Packg of 100), GilAir-3/GilAi Price on request 380-0035-01 Nephelometer Pump Assy, Replacement Price on request 910-0912-NO-R GilAir-Plus Data Logging 5-Pump Starter Kit, Bluet Price on request