Filter, Replacement, GilAir-3/GilAir-5 Back Catalog number: 201050 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-0945-01-R GilAir Plus, DL to STP Upgrade (factory only) Price on request KB-3 Kynar Bag 3.0L Price on request 811-1004-01 PM-2.5 Impactor Kit, Replacement for Models 810-1002 and 810-1003 Price on request