Winterize Sprinkler Systems and Outdoor Faucets: Air Compressor Quick-Connect Plug To Female Garden Hose Faucet Blow Out Adapter (Lead-Free Brass) Adapter to easily winterize underground irrigation sprinkler systems, outdoor pipes, vacation homes, cabins, faucets, spigots, garden hoses, sillcocks, and hose bibbs by blow out method. Flexible hose allows the adapter to access tight spaces and minimizes stress on pipes and fittings. Pre-assembled length: 10 inches (approximate). Pressure rating: 250 psi. 100% outdoor rated, virtually indestructible, impervious to water and oil. Easily connects to air compressor and garden faucet to winterize lawn sprinkler systems, soaker hoses, drip irrigation systems, faucets, and plumbing to prevent damage due to freezing. Compatible with standard garden hose threading and air compressor quick-connect commonly found in North America. For your health and safety, all metal parts are solid lead-free brass which contains less than 0.25% lead. Always wear safety goggles when handling or using compressed air. This winterization tool is made from the highest quality parts. If you are looking for a heavy duty tool that lasts a lifetime, this one is for you! Assembled in Wichita, Kansas, USA using domestic and imported parts. Includes printed lawn sprinkler winterization instructions.