The Clearflo adjustable trip lever pop-up drain features a contoured overflow hood that works perfectly with Tea-for-Two(R) baths and whirlpools. You can depend on solid-brass construction for durability and reliability, and KOHLER finishes resist corrosion and tarnishing, exceeding industry durability standards over two times. Installation flexibility is ensured 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 Tea-for-Two¬Æ 5- and 6-foot baths, BubbleMassage‚Ñ¢ air baths, and whirlpools.