- New
16880 is an Elkhart Supply Flair-It straight shut-off valve designed for compatible fresh-water plumbing systems. It features 1/2" PEX connections on both ends and a plastic body in white. The valve is directional, with an arrow on the body indicating the required water-flow direction. It is suitable for hot or cold water applications and is commonly used in RV plumbing systems. The valve is supplied as a single unit.