Inlet Filters, Replacement for GilAir Plus, Pack o Back Catalog number: 811-0905-01-R Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 810-0903-02-R STP, Bluetooth, Pump Only (No Dock) Price on request GP25 Filter Support Pads, Porous Plastic, 25mm, 100/Pac Price on request GCU37080MW Cassette, 37mm, 3pc, 0.8µm, MCE, Matched, Unb. 50/ Price on request