Inlet Filters, Replacement for GilAir Plus, Pack o Back Catalog number: 811-0905-01-R Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended GCU37080 Cassette, 37mm, 3pc, 0.8µm MCE 50/Box Price on request 783-0008-03-R Battery Pack, GilAir-3UL, ATEX, NiMH Price on request 200158 Cyclone Spring (each) Price on request