The Eco Dual Gas is ideal to cover today’s technicians needs by offering a complete solution for R-134a / R-1234yf to service an electric and conventional A/C compressor and put every shop in a fast track. Featuring two separate circuits with two dedicated 30-pound refillable tanks and two sets of long service hoses, this machine acts as two devices in one, with the flexibility to switch over R-134a and R-1234yf refrigerants with the push of a button in less than seven minutes without any risk of cross contamination.