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Stainless Steel Construction. Outer flange size: 3 1/4-inch diameter
Rubber flat stopper. Beveled stoper fits 1 7/8 to 1 1/2-inch opening
Replacement Kitchen Sink Basket Strainers
Polish Brass Finish
This is made to fit PlumbUSA brand Strainers, It will fit most of the standard size strainers. But may not fit some other non-standard size strainers.