KOHLER K-7161-AF Clearflo 1-1/2" adjustable pop-up drain with above- or through-the-floor installations for 17"-24" deep bathsThe 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 use with 17" 24"