Inlet Filters, Replacement for GilAir Plus, Pack o Back Catalog number: 811-0905-01-R Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended GCU37500PVCPW Cassette, 37mm, 3pc, 5.0µm, PVC, Preweighed, (100µ Price on request TE-26 Teflon Bag, Septum Valve (1.2L) Price on request 811-9910-01 Conductive Plastic Cassette With Transport Clip An Price on request