Stem with O-Rings Air Coolant Valve to fit A-dec Auto-Pac & Auto Block

This replacement stem with O-rings is designed as a direct fit component for A-dec Auto-Pac and Auto Block dental handpiece systems. The precision-engineered stem assembly includes integrated O-rings to ensure proper sealing and optimal air coolant flow control during dental procedures. This OEM-compatible part maintains the reliability and performance of your A-dec cooling system.