Winterize Blow Out Adapter With 1 4 inch Quick Connect Plug and 3 4 inch Garden Hose Threading Brass Quick Fitting With Ball Valve for Blowing Out Water to Winterize Garden Hose Sprinkler Systems 100078

?This portable adapter was designed to winterize water lines by blowing out of water from water lines to avoid damage due to freezing in cold winter, an easy and convenient way to reduce antifreeze application. ?Applicable for garden hose, under-ground sprinkler systems, etc, could also be used for recreational vehicles winterization, such as RV/camper/boat/travel trailer which with an male garden hose thread water inlet.  Please Note: 1. Always wear approved safety gloves and glasses when using this product. 2. For garden hose winterizing, suggested working pressure is 45-55psi. For vehicles winterizing, suggested working pressure is 25-30psi. 3. For long-time runs, please note to stop and let the air compressor cool off every few minutes.