Campbell 1-1/2 In. White PVC Spring-Loaded Quiet Check Valve w/Two Sleeves & Four Hose Clamps - 1 Each - 1-1/2 In.
$36.43
Quiet Check Valve with two sleeves and four hose clamps. Constructed of durable PVC (polyvinyl chloride). The flapper on the valve closes slowly and silently. No more clanging noise and no more shock to the discharge pipe.