T & S Brass & Bronze Works B-0807 is a single temperature deck mount faucet with an undercounter spreader assembly, check valves, push button metering cartridge, and a 2.2 GPM aerator. It is designed for commercial use and is commonly found in restaurants, bars, and other food service establishments. The metering cartridge allows the user to dispense a precise amount of water, which can be helpful for tasks such as rinsing dishes or filling a glass.