Insta-plumb, marvel trap adapter, allows for a faster & easier install with no, nut, washers, tools or glue needed, simple push fit connections connects quickly to 1-1/2" od size plastic drain pipe & 1-1/2" schedule 40 pvc or abs connecting the trap to pipe coming out of the wall, completely eliminates the need to use solvents or glues, 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, can be reused, no tools required. Upc/iapmo approved.