Application scope:Replacement valve parts for pool pumps, compatible with 1500, 2500 and 4000 gph filter pumps Easy to install: Use the 2-1/2" threaded connection to connect the plunger valve to the pool and use the 1-1/2" diameter hose to connect the other end of the valve to the pump. Easy to use: This plunger valve opens and closes easily to control water flow Premium Materials:This pool plunger valve is made of high-quality plastic to maintain high strength for long-term use Performance: This pool pump replacement plunger valve has better sealing performance Product name: Plunger Valve Connection for 38 Hose Product material: This pool plunger valve is made of high-quality plastic to maintain high strength for long-term use Product color: grey Product Usage:Replacement valve parts for pool pumps, compatible with 1500, 2500 and 4000 gph filter pumps Product packaging: 1pcs