Filter, Replacement, GilAir-3/GilAir-5 Back Catalog number: 201050 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-0944-02-R GilAir Plus, BlueTooth Upgrade DL (board exchange) Price on request 201741 AIRCON VALVE PLATE GASKET - NEOPRENE (EACH) Price on request 800518 Low Flow Module, Blue, GilAir-3/GilAir-5 Constant Flow, Single Tube (20 to 500 cc/min.) Price on request