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 quality 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. Lifetime Warranty: Miseno bathroom faucets are covered by a Limited Lifetime Warranty 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 Low lead 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)