Valterra 2101X PVC Gate Valve, White, 1-1/2" Inner Diameter, 1.9" Outer Diameter Unibody Valve, Slip w/ Gate Keeper One piece PVC UniBody configuration Stainless steel shafts prevent rust or corrosion Locking handle provides positive shut off and easy gate opening Maximum recommended working pressure is 50 psi Solvent Cement traps to prevent from over gluing