Cyclone, BGI4L Gasket Back Catalog number: 811-9927-04 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 801447 Side Insert Assembly GilAir-5 Price on request 800883-171-2305 GilAir-5 R Pump, 5-Pack with Universal 5-Unit Char Price on request 800093-3 Inlet Filter Replacement Kit, LFS-113 (Packg of 3) Price on request