Fire-rated washing machine outlet box;2 in. drain opening fits PVC or ABS Sch. 40 DWV pipe;Connects to PEX supply line with F1960 cold expansion connection;Warnock Hersey certified for 1-hour and 2-hour fire-rated walls;Box made of Bulk Molding Compound (BMC) with UL-classified intumescent pads and UL-classified insulating material;Adjustable metal mounting brackets, easy to remove test cap;Flexible valve/drain arrangement capabilities;Includes single 1/4-turn valve;Box Dimensions: 8-1/3 in. W x 5-1/2 in. H x 3-3/4 in. D;Faceplate Dimensions: 10-1/5 in. W x 7-2/5 in. H;Includes 2 Oatey Quiet Pipe hammer arrestors to reduce noise and protect pipes