Solid Brass Construction: In the faucet world, there's no substitute for brass This Miseno faucet features solid brass construction in the faucet body and handle, which will resist corrosion for years to come Ml531 Key Features: Solid Brass Construction: In the faucet world, there's no substitute for brass. This Miseno faucet features solid brass construction in the faucet body and handle, which will resist corrosion for years to come. Drip-Free Ceramic Cartridge: Miseno uses only the highest ceramic valve cartridges to guarantee drip-free performance for the life of the faucet. WaterSense Certified: WaterSense Certified products use at least 30% less water than standard 2.2 GPM faucets, while still meeting strict performance guidelines. : Miseno bathroom faucets are covered by a Limited on both finish and function. Our finishes resist tarnishing, and our faucets are engineered to rival the biggest names in the industry. Ml531 Features: Single hole installation Smooth single handle operation Drain assembly not included compliant Note: California state law requires lavatory faucet flow rates to be no higher than 1.2 gallons-per-minute. Customers shipping to California will receive the low flow version of this faucet, all other states will receive the standard 2.2 GPM version. Ml531 Specifications: Height: 7-1/4" (mounting surface to highest part of faucet) Spout Height: 3-1/2" (mounting surface to spout outlet) Spout Reach: 3-3/4" (center of faucet body to center of spout outlet) Flow Rate: 2.2 gallons-per-minute (1.2 GPM for CA customers) Faucet Hole Size: 1-1/2" Faucet Holes: 1 (number of holes required for faucet installation) Maximum Deck Thickness: 2" (cannot mount on thicker decks)