Easily add an in line valve to any existing copper line. Slides over existing 3/4 inch copper tubing. Quality full port 1/4 turn ball valve. Easily replaces leaking or seized valves. Easily add an in-line valve to any existing copper lineCTS SweatCopper/Lead free BrassQuality full port 1/4 turn ball valveSlides over existing copper tubingEasily replaces leaking or seized valves