Product Details: Downtime is costly. A single refrigerant leak can lead to significant expenses, both in lost productivity and expensive repairs. The Robinair 16356 Universal A/C UV Dye Cartridges provide a proactive solution, allowing for swift identification and repair of leaks before they cause major problems. This translates to substantial cost savings for your fleet operation. Each box contains four 1-ounce cartridges, delivering approximately 20 applications. This high-yield design ensures efficiency and reduces the frequency of replacements. The dye is designed for compatibility with various refrigerant types, including R-12, R-134a, and R-1234yf, ensuring versatility across your fleet's diverse vehicles. Robinair's reputation for quality and reliability is your guarantee of accurate leak detection and efficient system maintenance. Don't let refrigerant leaks disrupt your operations. The Robinair 16356 offers a simple yet effective solution to maintain the efficiency and longevity of your fleet's HVAC systems. Its universal compatibility and high application count makes it a smart investment that protects your bottom line. Invest in preventing costly downtime and keep your fleet running smoothly. This OEM-approved and SAE-certified product ensures reliable performance and peace of mind.