FOREST DENTAL OEM OEM part # 1107-511 (Grey)
Note:
If you have water coming from the syringe tip when you switch
from Water to Air this indicates the syringe tip O-Ring (DC-2201) is bad and needs
to be replaced. If water is leaking around the Syringe Button, the Syringe
Cartridge (DC-3086-2) needs to be replaced