Inlet Filters, Replacement for GilAir Plus, Pack o Back Catalog number: 811-0905-01-R Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended TE-26 Teflon Bag, Septum Valve (1.2L) Price on request 811-9917-01 Go-Cal Replacent Filter Price on request 7013376 Cyclone Calibration Jar (For 10mm Nylon Cyclone an Price on request