This high-efficiency urinal uses just 0.5 gallons per flush, which is 50% less than a standard 1.0 GPF urinal. This sleek, modern and compact design received a Green Good Design 2012 Award from the Chicago Athenseum and goes well with modern décor. Features include a flushing rim and an EverClean® surface that stays cleaner, longer.Green Good Design 2012 Award WinnerAs Awarded by The Chicago Athenaeum: Museum of Architecture and Design and The European Centre for Architecture Art Design and Urban Studies; In The Permanent Collection of The Chicago Athenaeum: Museum of Architecture and Design Sleek, modern, compact design Vitreous china High Efficiency (1.9Lpf / 0.5gpf) Permanent EverClean® glaze inhibits the growth of stain and odor-causing bacteria, mold and mildew on the surface Flushing rim Powerful washdown action 3/4" inlet spud Outlet connection threaded 2" inside (NPTF) Wall Hanger Fixture only Meets ANSI flush requirements at 0.5 GPF  Recommended working pressure -- between 20 psi at valve when flushing and 80 psi static