Interstate Pneumatics WRCO2-K1 1/4 Inch CO2 Cylinder Regulator Kit Specifications: Body: Steel, Zinc plated | NPT size: 1/4" NPT Female | Temperature: -40 degree F to 212 degree F Type: Universal | Seals: Buna-N (Nitrile) | Spring: Stainless Steel | Ball Bearing: Quantity 6, stainless steel Includes: CO2 Regulator (WRCO2) | 1/4" 12 Ft. Yellow Polyurethane Recoil Hose (HR14-012) | Universal Steel Coupler (CG440) Warning: Co2 can cause injury (suffocation & Asphyxiation) or death, ventilate the area before entering. Co2 is stored at very high pressure and a liquid Co2 is at cryogenic temperatures which can cause injury, burn, explosion, or death. Co2 should be handled by a trained professional and extreme caution should be taken when dealing with Co2. For safety always wear protective gear.