85723 - DU-All Dual Drain Washing Machine Outlet Box - Brass Quarter Turn Valves with Arresters - 1/2" PEXIPS 85723 Du All Dual Drain Washing Machine Outlet Box Brass Quarter Turn Valves with Arresters 1 2" PEX W2702HACP The Water Tite DU ALL Dual Drain Washing Machine Outlet Box features an innovative design that offers multiple valve mounting options. Choose from dual drain, right drain only, and left drain only installations, or invert the box for top mount valves with a center drain. This outlet box features valves with integrated hammer arresters