SMART CLIP Technology – Easy to Use Vent Clips change to blue and green to show correct refrigerant charge and to prevent overcharging. No gauge required.

Locking Turn-and-Push Dispenser – Twist to unlock and press down to add refrigerant. Prevents accidental discharge and loss of expensive YF refrigerant.

Re-useable Recharge Hose – works with new self-sealing valves