Leading the way in UV leak detection, Mastercool’s Professional UV Leak Detector Kit offers all of the components needed to easily locate leaks. This kits includes a powerful mini UV light, replaceable 1 oz (10 application) dye cartridge, A/C connection hose with R134a coupler, R12 adapter, 1 oz. oil/ATF/gas and diesel fluorescent dye, 1 oz. engine coolant dye, 4 oz. dye remover, 25 service information labels and UV enhancing safety glasses.