The Houzer 190-9180 3.5-inch Basket Strainer is made with T304 premium stainless steel basket assembly with plastic outer housing This basket strainer fits standard 3-1/2-inch drain opening. For over three decades, Houzer has been improving millions of kitchens across America and overseas, one sink at a time. Houzer offers over 100 sensational models in Stainless steel, Quartz Granite, Fireclay, Porcelain Enamel steel, and Copper to match any design from traditional to contemporary. Houzer believes that sinks can make your life in the kitchen easier and more enjoyable.