The AR500 is a light weight portable recovery/recycling unit designed for servicing mobile air conditioning systems. Simply follow the quick start and turn it on. Follow the air purge procedure and the refrigerant has been completely recycled for future use. The PRO-SET® AR500 model series utilizes a new valve less 1/3hp (0.75kW) oil-less compressor. It is perfect for small shops, agriculture, off road, tractor, and mobile service. It comes with hoses, coupler and with a 50 lb tank.