With the Facom 935A cooling circuit filler, you refill cooling systems quickly and completely free of airlocks. Using reliable vacuum pressure, the tool pulls fresh coolant straight into the circuit without spills or trapped air pockets. This enables you to fill modern cooling systems effortlessly, even those without traditional bleed screws. Thanks to the five included adaptors, you can easily connect to a wide variety of expansion tanks across passenger cars and light commercial vehicles. After completing the job, you store the filler and all accessories neatly and safely in the durable plastic carry case.