Product details:
Helps provide a smooth flow of water and reduces pulsating. Internal rubber membrane is maintenance free. Universal mounting options. Easily plumbs into new or existing pressure controlled water systems. Helps extend pump life. Reduces the the amount of battery drain from the pump. 1/2 in. hose barb snap in port fittings. 4 3/4 in. wide x 13 1/4 in. high x 4 3/8 in. deep. Replaces Jabsco 12573-3000.