Features & Benefits For use in R-134a and R-1234yf systemsSuper concentrated dye detects leaks quickly, saving time and moneyAdded friction modifier and anti-wear additive improves efficiency and reduces wearAntioxidant stops acid formation and prolongs oil lifeCartridge works exclusively with the Spotgun™ injection systemUnit Size: 8 oz/240 mlMaximum Applications: 64 vehiclesQuantity: 1