Cassette, 37mm, 3pc, 0.8µm MCE 50/Box Back Catalog number: GCU37080 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GFPC525 Filter, 25mm, 5.0µm, Polycarbonate, Plain White, 1 Price on request TE-25 Teflon Bag, Septum Valve (0.5L) Price on request 811-0945-01-R GilAir Plus, DL to STP Upgrade (factory only) Price on request