InSinkErator Style Extra-Deep Disposal Flange and Strainer Stopper • InSinkErator style extra-deep waste disposal trim set • 4-1/4 in. rim diameter flange (D2081) • Fits 3-1/2 in. sink opening • 2-5/8 in. deep collar for thicker sinks • 3-1/4 in. diameter removable push/pull strainer stopper included (D209S) • Fits most ISE, Emerson, Kenmore, and Grainger waste disposals • Brass construction • Do not use plumber"s putty for installation