Jones Stephens B05756 Washing Machine Box, Right Outlet with Single Lever Valve and Water Hammer Arrestor, 1/2" MIP/SWT ConnectionJones Stephens B05756 This Jones Stephens Washing Machine Outlet Box is designed with a single lever to provide convenient and quick water supply shut off access in the event of a leak or broken hose. The integrated water hammer arrestor absorbs the impact to pipes when flowing water suddenly stops and prevents knocking noises in the pipe. Compact in design, this right outlet box features a 1 2 male threaded connection and includes all necessary parts