compressor unit Duplex with drier Monzum is the source of dry, clean and oil-free compressed air for make in function pneumatic equipment. It is deliered on 110 l tanks with 2-cylinder motors. With its efficiency and parameters is suitable for using in big dental clinics /8-10 dental units/ or dental laboratories or as autonom source of pressed air for respiration equipment and hospital departments. Automatic functioning secure the switching of motors according to the needs of air signalisation of possible defect of one of the motors.