The Amerimax 3 inch x 4 inch galvanized oval outlet can be used to direct water from the gutter into the downspout. This downspout outlet is for use with 3 inch x inch downspout and can adapt a metal gutter for downspout placement. This downspout outlet can be used as an alternative to an end with drop. Gutter sealant (not included) is required and to install, cut a hole in the gutter and insert outlet.