The Tall Faucet features a leaning dynamic design one solid brass construction, a single-hole design for a simple installation, and a single handle lever to decide the temperature of the water and control the water flow rate which is maxed out at 1.2 Gallons Per Minute (Water Sense Standard). The faucet is UPC / CUPC certified and ADA compliant and all the measurements, and sizes are American standard. The Faucet itself doesn’t require any assembly but we include Mounting hardware and PEX piping to help your installation for cold and hot water. With smooth performance, timeless design, and a convenient installation process, the Brianna Vessel Sink Bathroom Faucet is built to stand the test of time, while gracing your bathroom with utmost elegance.