KOHLER K-7167 Clearflo 2" adjustable pop-up drain with high volume and tailpieceThe Clearflo adjustable trip lever pop up drain works perfectly with 23 to 25 inch deep 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. 2" (51 mm) NPT connection. For