3-way syringe has 2 nozzles in a box controlled by 2 buttons. The Left Button Controls the Water Flow Volume, the Right Button Controls the Air Flow Volume. Pushing both buttons at the same time generates a mist. DENTMARK  3-Ways Syringe features an O-ring groove that secures tip-lock for patient safety and eliminates leakage. The angle in the tip provide an ideal placement of the tip anywhere in a patient’s mouth, and is strong enough to allow for retraction.