Universal AC dye can be used in any automotive system. SAE-J2297 certified and OEM approved. Precise measuring device built into bottle for accuracy. UV Dye fluoresces extremely bright to detect leaks as small as 1/4oz per year. From the recognized leader in UV leak detection view designs, manufactures and delivers the most innovative and functional products to the automotive repair industry. This fast, convenient and cost effective UV Dye is used to pinpoint leaks in A/C systems. Included is the 8 oz. universal A/C dye, and service stickers.