... the residual refrigerant from the A/C system. This machine was designed to recover the residual refrigerant from the ... reducing the refrigerant effect, causing leakage, pipe block by ice block, increasing engine loading and etc. Main FeaturesIntegrate recovery, ... -2800B configurationGermany Danfoss compressor and filter, Switzerland fast connector, soft pipe and meter, liquid tank: 14L, vacuum pump: ...