Tracerline TP9815EV-P12 POE-Based EV/Hybrid Air Conditioning A/C Dye Mini-EZ™ Cartridges, 12 Pack

["Contains (12) TP9815EV-P12 EV A/C dye Mini-EZ cartridges for single-billable dosing. High-quality, concentrated dye fluoresces easily and does not alter the properties of the compressor oil.","EV A/C Dye engineered for new EV technology and system designs. High dielectric qualities protect all EV system components, including electrically driven compressors. Compatible with R-134a & R-1234yf systems.","Maintains system resistivity with concentrated formula.","Manufactured with specialized OEM-grade compressor oil for EV.","Individually sealed in foil packaging to protect against moisture."]