Primalec MRL85 Snow Leopard Glo-Lube 250ml AC54085GA Aircon Compressor Lubricant

This allows a system already dosed with UV leak tracer dye to mainrain its full fluorescent proerties. If the A/C system being worked on does not already have UV dye inside, then you should also add a dose of Glo-Leak UV (p/n GL1234A).