Kingston Brass | Restoration Single-Handle Water Filtration Faucet, Satin Nickel Finish. Solid brass material. Drip-free ceramic disc cartridge. 1/4 turn ON/OFF water control mechanism. Deck mount single-hole installation. Flow rate: 2.0 GPM/7.6 LPM at 60 PSI. 1/4″ compression inlet. 3″ shank install height, can be installed on countertops up to 2-1/2″ thick. 10-13/16″ spout height. Single lever handle meets ADA guidelines. Single inlet cold water design. (Not to be used with reverse osmosis systems.)