Introducing the most durable outlet box in the plumbing industry. Our error-proof, no knockout drains allow for hassle-free testing. Fill your stack directly from the box and test without a mess! Dual drain feature allows you to choose right or left outlet. Easy-to-install cosmetic cap hides unused drain. Optional, innovative condensate, with visible air gap, accommodates secondary drainage where needed. Quarter Turn Ball Valve. Outlet Box includes a clear cover to protect valves from debris during rough in stage. Dimensions: 7-1/4" x 9-3/4" x 3-3/4". Faceplate: 12.32" x 8.50".