Cyclone, GK 2.69 37mm O-Ring Kit Back Catalog number: 811-9927-05 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800257 Single Variable Flow Kit, 7-10 x 175mm Price on request 800884-171-2301 GilAir-5 RP Pump, Starter Kit, 230V Euro Style Plu Price on request 800508-171 GilAir-3 RC Pump, No Charger Price on request