The Clearflo adjustable trip lever pop-up drain gives you flexibility with above- or through-the-floor installation options. 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. Adjustable trip lever pop-up drain. 8-3/4" (222 mm) x 3-11/16" (940 mm) x 20-7/8" (530 mm) 1-1/2" connection. 17-gauge brass construction.