UVIEW 471500 SpotGun System Kit
The world's most popular and professional injection method.  Pull the trigger to inject a precise amount of dye into the A/C system and you're done.  Services up to 64 vehicles.  Includes R-12 and R-134A adapters, universal A/C dye cartridge (8 oz./240ml), SAE-J2297 certified and OEM approved dye and service stickers.  Lifetime warranty on every injection gun.