The MAHLE Service Solutions ArcticPROROU250 recovery only unit is designed to safely remove the mildly flammable R-1234yf refrigerant even if it is contaminated. It will also safely recover R-134a refrigerant. The ArcticPRO ROU250 features fully automatic servicing to ensure easy, time-saving and precise refrigerant recovery for vehicle air conditioning systems. It features a 1/2 HP compressor that does not require oil and comes with a limited one-year warranty.