Electric compressor with separable controller for 12 v The compressor contains 120 ml poe oil 68 inside already. If there is other pag oil left in your cooling system, we advise you drain the oil that comes with the compressor and still use the same oil as before, or clean the cooling system before installing the compressor, in order to ensure the normal use of the compressor. Control Type:3 Gear Refrigerant:R134a Order from ACTECMAX, we can provide 1 year free worry warranty, ACTECMAX Universal AC Electric Compressor 20cc/r Air Conditioner Compressor for 12V Auto Compressor for R134a