UView’s Eco-Twist A/C Dye Injection Kit, No. 322000, is economical and packs the combined power of a great dye, a true UV light and an accurate injection system. This kit will help technicians find more leaks faster. The kit contains four cartridges of UV dye, UView’s 18 LED Phazer Light, the Eco-Twist injection tool and UV enhancing glasses all packed neatly in professional-grade case.