GL1744(20 ml to 5.00 L) crankcase oil. 250 ml bottle
 
All purpose engine oil / transmission / hydraulic / power steering / fuel system UV leak detection additive. (20 ml to 5.00 L) crankcase oil. 250 ml bottle
For A/C systems using CO2 refrigerant.
 
The very high operating pressures required for CO2 need a leak tracer additive that can cope with those high pressures.
 
For Extreme Performance PAG lubricants for CO2