Robinairs No. 16240 Tracker Universal A/C Fluorescent Dye features sixty four 1/8 oz applications all in one convenient 8 oz. bottle designed for use with the Robinair No. 16234 Dye Injection Gun. Tracker flourescent dye is the brightest dye in the industry and exceeds all industry performance standards. Compatible with all materials found in a vehicle’s A/C system, this solvent-free formula is OEM backed and approved. It also meets the new SAE J2297 standard for use with both R134A and R1234YF, and is REACH and CLP compliant. Robinair, a Bosch Automotive Service Solutions brand, is a global leader in service tools and equipment based in Owatonna, Minnesota. Robinair is recognized throughout the world as the quality and performance leader in AC/R evacuation tools and this position has led to its success with the full range of products that serve the heating/ventilating/air conditioning/refrigeration (HVAC-R) and mobile markets, which includes the automotive aftermarket along with other industries such as agriculture and construction.