1Wide Applications: RV winterize blowout adapter is suitable for RV Motorhome Boat Camper Travel Trailer and may also be used to winterize sprinkler systems, drip irrigation systems, soaker hoses, faucets, pipes, spigots, sillcocks, water garden hoses, waterlines, and hose bibbs where applicable. 2Main Function:The adapter can be connected to an air compressor and garden faucet to winterize lawn sprinkler systems, faucets, pipes and RVs to prevent damage due to freezing. 3Reliable Fastening: The connecting parts of the adapter is reliable fastening that effectively prevents leakage. This ensures a firm and secure connection. 4Durability: Garden hose threading fitting adapter is made of high grade material with good durability and long life. It can withstand different climatic conditions and usage environments. 5Easy to Use: Garden hose faucet blowout adapter is designed to be easy to use, so you can use it easily, which is convenient and practical for you. 2 x Adapters Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia