Simplify your installation with Magic Plastics’ Hose Clamp Check Valves. There is no need to solvent weld, just secure the Hose Clamps with a screwdriver. The innovative design of the Smart Check® Valve will eliminate water hammer noise and also allows you to install the valve in any orientation. This is the perfect valve for DIY’s! All materials used to manufacture the valves meet ASTM standards. Available in 1½˝ and 2˝ sizes in White and Clear PVC.