' Check Valve, Material of Construction PVC, Size 3/4 In., Connection Type Slip x Slip, Length 2-5/16 In., Width 2-5/16 In., Overall Height 4 In., Max. Water Pressure 150 psi, Cracking Pressure 0.5 psi, Max. Temp. 73 Degrees F, Mounting Position Any, Seat Material PVC, Spring Material Stainless Steel, Seal Material 40 ShoreNBR '