550500HD UView AirLift II: HD - Cooling System Tool (Approved by International Truck) - UView’s award winning Airlift system is now available for the HD market. Now you can Refill your cooling system without airlocks. No more system purging or bleeding. Checks for system leaks under vacuum - know before you refill. Refills system with coolant in seconds. Features include push button control valve - works faster, no need to change hoses, shop-air operation - draws fast and powerful vacuum using your shop compressed air supply. Rugged vacuum gauge protector - provides secure handling and protection. Works on all systems - Includes a built-in “Fit-All” cone adapter. Including fitment to light and heavy-duty trucks.