Patent ID: 7338594

Claim:
A faucet mount filter device comprising: a housing including a horizontally disposed cylindrical part with a top side and longitudinally opposite front and rear ends having a cylindrical cavity for housing a cylindrical replaceable water filter cartridge in a predetermined orientation relative to said housing, said cartridge having a number on its exterior indicative of its water gallonage treatment capacity, a window aligned with said number producing visualization of said number from the exterior of said device, an electronic flow monitoring apparatus including a microprocessor with a counter in one of said longitudinally opposite ends of said cylindrical part and a digital read-out on said front end of said cylindrical part, an arm part rigidly secured to and extending radially and horizontally outward from said cylindrical part including a connector adapted to secure said device in water receiving relation to a downwardly discharging water faucet, an unfiltered water outlet and, a filtered water outlet, and flow control apparatus including a manually operable flow control valve for selectively routing water received from said faucet to said unfiltered water outlet or through said water filter cartridge to said filtered water outlet, and a flow sensor sensing flow of filtered water, said flow sensor being connected in signal delivery relation to said micro processor, said micro processor causing said digital read-out to display the number of gallons of water filtered by said replaceable filter cartridge.