The Rohl 744-APC Disposal Stopper in Polished Chrome features a brass construction. A brass material adds an elegant look and provides resistance to corrosion. This Disposal Stopper works by allowing water and small particles of food to flow into the drain while stopping larger objects like silverware from slipping into the drain. It fits on I.S.E disposals including Sears, Kitchen Aid and Whirlpool. It can fit a standard drain that measures 3 . The Rohl 744-APC is also available in other colors or finishes which are polished nickel, satin nickel, Inca brass, Tuscan brass, and English bronze. These premier finishes will resist corrosion and tarnishing through everyday use. Rohl offers 2-years warranty for this product while products with Tuscan brass finish does not get a warranty. Rohl is committed to offering a full spectrum of exclusive design styles without compromising products durability and safety of its customers.