The GLO Seal EZ-Ject Kit comes complete with prefilled GLO Seal cartridges, injector and hose assembly, UV LED leak detection lamp, Glo-Away Plus dye cleaner and R-410a adapter. Each cartridge treats up to 3.5 tons (12.3kW) of cooling, for a kit total of 14 tons (49.2kW) of cooling. GLO Seal is a fluorescent dye + powerful sealant formula that will not polymerize and cause blockage or damage to the system. The perfect 2-in-1 leak solution, GLO Seal, is a multipurpose product to "fix it or find it". Inject dye with the popular EZ-Ject injection method - easily over comes system pressure with a turn of a handle.