The Push-To-SetTM Intermittent Suction Unit (PTS-ISU) exceeds clinical expectations in medical suction procedures, by offering technology breakthroughs plus the quality and simplicity you are accustomed to receiving from Ohio Medical Corporation’s products. It retains the unique, patented unilogic module which provides a reliable, quiet means of cycling the regulator on and off during intermittent suctioning. It also offers dual modes to provide the option of an intermittent mode for nasogastric drainage and a continuous mode for tracheal, pharyngeal or surgical suctioning. Features and Benefits Built-in Patented Push-To-Set™ feature Quick-to-Max, Only 2 turns to full wall vacuum Stat Mode: Starts in the "ON" mode Top mounted on/off switch for ease of use