Inlet Filters, Replacement for GilAir Plus, Pack o Back Catalog number: 811-0905-01-R Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-9917-01 Go-Cal Replacent Filter Price on request 910-0909-NO-R GilAir-Plus STP 3-Pump Starter Kit, No cord Price on request 811-0919-01-R Dual Manifold High Flow Splitter with Tubing, Top Price on request