Description: Standard Winterize Adapter: Winterize Adapter with 1/4 Inch Male Quick Plug and 3/4 Inch Female Garden Hose Threading, standard threaded connection to make a nice winterization solution. Blowout Adapter with Adjustable Switch: This winterize blowout adapter with Adjustable Switch, designed to prevent freezing of garden water hose, sprinkler systems, and faucets by blowing water from tap water or pipes. Winterizing Adapter with Ball Valve: Made of solid brass, not easy to fade and break, resist corrosion, provide a long service time. Wide Applications: Suitable for RV, camper, boat, travel trailer and other vehicle which with a water supply system. 2 way connection. Easy to Use: Firstly screw the water hose to the female thread side,connect the quick plug to the quick coupling inside the air compressor line; Secondly turn on the air compressor and rotate around the ball stem to open or close; Finally adjust the air flow rate to blow dry water from the water hose. Specification: Material: Brass Product Size: Approx. 3x3x8/ 1.18x1.18x3.15inch Package Includes: 1 Piece Winterize Adapter (1/4 " Male 3/4 " Female) 1 Piece Storage Bag Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!