The Robinair 17800C can recover, recycle, evacuate and recharge multiple refrigerants, all in one fast and continuous operation through one hook-up. It�s ideal for mass transit vehicles, buses, refrigerated trailers or containers and other applications that use refrigerants other than R-134a and not typically found in mobile vehicle applications. Recover, recycle, evacuate and recharge R-12, R-134a, R-22, R-404A, R-407C and many other medium-pressure and high-pressure refrigerant blends. The Robinair 17800C is UL1963 certified. Keep your machine operating with 19776 replacement filters. *Cannot be used on refrigerant systems found in Class I � III light-duty passenger vehicles. For mass-transit vehicles and stationary systems using multiple refrigerants only. Not for automotive passenger vehicle systems. The Robinair 17800C-230 is not intended for use, nor available for sale in the U.S. market. The product is available for international 230V countries only.