Leak Detection UV Dye For AC Air Conditioning SystemBrand NewThis listing is for 1 x 5ml vialUltra Violet leak detection dye for air conditioning systemsFind leaks you would otherwise missSafe to leave in any systemCan be used with all types of refrigerantUse one 5ml bottle of dye per 250ml of refrigerantTo use this dye you will need an in line UV dye dispenser to inject the dye into the air conditioning system via the low pressure valve. Please note this is not supplied.To use simply fill the dye dispenser with the UV dye, then attach this to the low pressure valve for the air con system, attach the refrigerant nozzle to the other end of the dye dispenser and fill the air con system. Run the engine and turn the air con on for 20 minutes, then turn the engine off. Using an ultra violet light check the system for any leaks.Made by Ring Automotive