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 GFPC4537 Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Price on request 800685 Air Boss Kit, LFS-113 (required for bag sampling) Price on request 800508-171-2301 GilAir-3 RC Pump, Starter Kit, 230V Euro Style Plu Price on request