Inlet Filters, Replacement for GilAir Plus, Pack o Back Catalog number: 811-0905-01-R Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-1004-01 PM-2.5 Impactor Kit, Replacement for Models 810-10 Price on request GFPC0237 Filter, 37mm, 0.2µm, Polycarbonate, Plain White, 1 Price on request 801000-3 Power Module, 120V/230V/DC, with 230V Euro Cord ( Price on request