The Thunderbird Products Shower Floor Drain is surrounded by a 16 ounce copper flashing that serves as a reliable material for waterproofing adhesion to prevent any and all possible drain leakage. It is available in a 2" or 3" no-hub outlet. It can be fitted with several drain grate options working as shower drain covers, such as a round grate, a square nickel bronze grate, and a square tile insert grate for the modern square tile in shower drain look. This shower floor drain is ideal for outdoor deck drainage systems as well as indoor shower drainage solutions. The Shower Floor Drain is anICC-ES approved product.