Features and Benefits: * Services up to 64 vehicles * Includes: * Spotgun injector with R12 and R134a adapters * Universal A/C dye cartridge (8oz./240ml) * SAE-J2297 certified & OEM approved dye! * Service stickers * Lifetime warranty on every injection gun The worlds most popular and professional injection method. Pull the trigger to inject a precise amount of dye into the A/C system and youre done.