Geberit Duofix In-Wall System For Urinals - 2x4 Or 2x6 Construction 0.5 GPFGeberit Duofix In Wall System For Urinals 2x4 Or 2x6 Construction When you pair a Geberit installation system with a compatible wall hung urinal, you get these benefits: Design freedom choose a wall hung urinal from leading ceramic manufacturers; pair with stylish flush actuators Easy cleaning clean the entire floor with a damp mop, no bending or kneeling Improved accessibility adjustable fixture height meets personal preference or ADA guidelines