DU All Washer Outlet Box With Valves 1/2 in. FGG cPVC. One piece design and raised drip guard contains and sends valve or washing machine hose leaks down the drain, Factory installed 1/4 turn valves. Various mounting options allow dual drain or right and left drain, Box can be inverted for top mount valve/center drain option. 2 in. right and left drain couplings with knock out test caps, Dual drain prevents supply lines from crossing p-trap.