Inlet Filters, Replacement for GilAir Plus, Pack o Back Catalog number: 811-0905-01-R Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 200279-R Wrench, Tube Holder Price on request 830-0001-01 Model AP-20S Gas Detection Pump Kit Price on request GF37450 Filter, MCE, 0.45µm, 37mm, 100/Pack Price on request