DLTP9790 Features: -EZ-Shot™ dye injection gun.-R-134a hose with R-12 fitting .-R-12 purge/adapter fittingEZ-Shot™ quickly introduces dye into a vehicles A/C system. Inject dye into the A/C system with a single hook up. Just squeeze the trigger to inject dye. Pistol grip style allows for super-fast dosing. The cartridges are prefilled with solvent-free A/C dye, certified to meet SAE J2297 and calibrated for exact dosing..-EZ-Shot Universal A/C Dye Injection Kit. Specifications: -BigEZ™ 8 oz. universal multi-dose dye cartridge services up to 64 vehicles. Warranty: -1 yr warranty on material and workmanship.