Geberit Sigma01 Hand Operated Pneumatic Urinal ControlFeatures For manual flush actuation of urinals For Geberit frames for urinal with front actuation For installation in installation sets for Geberit urinal flush controls (from year of manufacture 2009) Flush plate with securing bar Flush time setting with air nozzles (pneumatic) Low flush actuation force Short stroke movement Flush actuation when the actuator button is released Flush volume can be reduced to 0. 5 l per flush with regulating screw of