Insta-plumb, 16", double bowl sink waste end outlet, allows for a faster & easier install with no nuts, washers, tools or glue needed, simple push fit connections connect quickly to 1-1/2" od size plastic drain pipes, great for hard to reach or confined areas under a sink, a stainless steel grip ring that holds the connection tight & an o-ring that provides a leak free seal, can easily be removed &/or adjusted using the release tool, included, which also allows the fittings to be reused, faster & easier install than conventional slip nuts & washers or glue, can be repositioned or rotated for alignment.