Davies Glass Waterfall Bathroom FaucetA tempered glass disc to facilitate water flow and a joystick style handle on top give this waterfall bathroom faucet a very distinct look. The spectacular faucet includes an optional pop up drain. NOTE: Choose Drain with Overflow if Sink Has an Overflow Hole(s). Select Drain without Overflow if Sink Doesn't Have an Overflow Hole(s). Overflow Version Includes Opening So Water Can Enter Drain Pipe. 7" Diameter Glass Disc x 7" H ( 1 2") Single Hole