Removes Water from Water Lines: Aids in the removal of water from your water lines and eliminates the need to use expensive antifreeze; For use with an air compressor
A Great Winterization Tool: Ideal for boats, RVs and sprinkler systems
Includes: A flexible, 6-inch hose with ball valve and durable brass fittings
Ball Valve: Allows you to control the air flow rate
Thread Size: ¾-11 ½ NH male garden hose thread connects to a standard garden hose
Easy to Use: Simply attach the barbed fitting to the air compressor quick connect hose and the ¾-11 ½ NH male garden hose fitting to your RV or boat's city water inlet