Signature Hardware 931430 Knox 1.2 GPM Vessel Single Hole Bathroom Faucet with Pop-up Drain Assembly Chrome Faucet Bathroom Sink Faucets Single HandleSignature Hardware 931430 Knox 1. 2 GPM Vessel Single Hole Bathroom Faucet with Pop Up Drain Assembly The Knox Waterfall Vessel Faucet has a sleek design that is beautifully simple. Controlling water flow and temperature is made easy thanks to a single lever, which swivels and rotates. The Knox comes with a pop up drain. Signature Hardware 931430 Features: Drain is compatible with sinks that have an overflow hole Covered under Signature Hardware's 25