The Clearflo contoured pop-up drain and overflow works perfectly with Tea-for-Two 5.5-foot baths and whirlpools. Your bath will be even more relaxing because you can depend on solid-brass construction for durability and reliability. KOHLER finishes resist corrosion and tarnishing, exceeding industry durability standards over two times. And you have installation flexibility with above- or through-the-floor options. 17-gauge brass construction. Brass tailpiece. 1-1/2" NPT connection. Supports both above- and through-the-floor installations. For use with most Tea-for-Two® 66" x 36" baths, BubbleMassage™ air baths, and whirlpools.