Here we draw each part of a duo cup sink strainer in sequence as below. From top to bottom, they are basket, strainer body, rubber gasket, paper washer, cup, lock nut, PE flange, Tailpiece, and connection nut.
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Ruvati Glass Rinser and Sink Combo 22 inch Workstation for Wet Bar Bottle Washer Drop in Topmount - RVH8262ST - Ruvati USA
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This Heavy-Duty Kitchen Sink Drain Assembly is made of highly durable stainless steel and includes a strainer basket which works as a strainer or a
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LOT OF 2 PROPLUS 122043 DOUBLE-CUP SINK STRAINER, STAINLESS STEEL BASKET, CHROME