The Jones Stephens B03021 is a polar white flange, stopper, and strainer combination for Waste King, Whirlway, and Sink Master garbage disposers. Its durable finish makes this easy-to-install strainer combination to last long as it prevents cracking and peeling. A 3 1/4-inch disposal sink flange throat fits this strainer kit. Also, this strainer kit is made of Celcon and ABS construction that adds to its durability. Jones Stephens continues to produce replacement products like this B03021 strainer kit for your kitchen needs.