The Clearflo adjustable trip lever pop-up drain works perfectly with 17- to 24-inch deep baths. 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. Adjustable trip lever pop-up drain. For 17" (432 mm) - 24" (610 mm) deep baths. 1-1/2" connection. Above- or through-floor installation. 17-gauge brass construction.