Add to Wishlist Robinair 16356 Universal A/C Dye (4 Replacement Cartridges) Robinair 16356 Universal A/C Dye (Four Replacement Cartridges) Pinpoint leaks in A/C systems. Four twist-on cartridges, 1oz. (30 ml) each. Enough dye for 20 applications. OEM-approved and SAE-certified dye. Service stickers included. MSRP: $65.00