This Southco drain is designed to be used as a sink, shower, or deck drain. It is made with marine grade 316 stainless steel, and can work on Southco's 90° barb adapters. The face of the drain is 1-5/8", and the pipe is 1-1/4" with 5/8" of threads. You can see a labeled diagram of the product on page five of the catalog, under the technical specs tab.
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