Raindrip R325CT 3/4-Inch Hose Thread Swivel by 1/4-Inch Compression Adaptor Swivel adaptor For use with 1/4-Inch tube only Connects 1/4-Inch tubing to faucet or other 3/4-Inch male hose thread Includes filter washer 3/4-Inch by 1/4-Inch