Blaster Digital Gauge R134a Refrigerant Recharge Kit 18 oz

Smart Clip technology Easy to use vent clips change to blue and green to show correct refrigerant charge and to prevent overcharging. New digital pressure gauge recharge by temperature and pressure - the safe and accurate way. Easy-to-read and reusable with any R-134a refrigerant can. Blaster's proprietary refrigerant formula replaces lost refrigerant and oil. The formula improves the a/c's cooling capabilities and provides better heat exchange by forming a protective film to decrease friction, reduce engine drag, prevent oxidation and sludge formation and extend the compressor life.