LSP OBPS-104-RK-LL Lead Free Pull Stop Box with 1/2-Inch Wirsbo/Uponor Pex Removal and replacement of the valve can be done under a minute using only a screwdriver Remove the valve block and valve, then install a new valve Can be mounted in any direction and can share the same stud, side-by-side with another Pull Stop Box Also allows for back-to-back installation This product is lead free