The Tracerline EZ-Shot multi-dose A/C dye injection gun uses a BigEZ disposable cartridge. It is prefilled with 8 oz. of universal Fluoro-Lite dye, which is enough to service 64 vehicles. Made from high-quality steel, this new injection gun connects to the low side A/C service port. Easy to use, one squeeze of the trigger adds 1/4 oz. of dye into the A/C system. Available individually or in three leak detection kits that offer a choice of 100, 50 or 35-watt Titan UV/Blue lamps. Kits also come with fluorescence-enhancing glasses, hoses and couplers, 8 oz. Fluoro-Lite universal fluorescent dye for all systems, 8 oz. spray bottle of GLO-AWAY dye cleaner, underhood labels and a carrying case.