The Oatey Quadtro 38569 is a professional-grade washing machine outlet box designed for both residential and commercial applications. This versatile unit features two 1/4-turn brass ball valves with integrated water hammer arresters to reduce pipe noise and protect your plumbing system from pressure shocks. Built for maximum installation flexibility, the proprietary lock and load valve system allows for left, right, or center positioning of the drain pipe, while the 2-inch drain opening is compatible with PVC or ABS Schedule 40 DWV pipe. The box is constructed from high-impact polystyrene for job-site durability and includes a snap-on faceplate frame that accommodates up to 1-inch drywall. This model utilizes copper sweat connections and comes complete with four mounting brackets for secure top or bottom valve mounting