Franke FF-1900  Professional Pull-Out Sprayer Handle Faucet, Chrome Based on the design of the FF-1800 series faucet, but scaled down for smaller kitchen environments The FF-1900 faucet meets the flow rate standard of 2.2 gpm and will accommodate a countertop thickness of up to 1-3/4" The faucet uses a standard 1-3/8" opening for installation and the faucet tailpipes are US standard 3/8" The Franke FF-1900 faucet features a design based on commercial faucets, but with the home in mind