4 TON COAXIAL COIL, PSI DESIGN PRESSURE:650 PSI/REFRIGERATION AND 500 PSI/WATER, REFRIGERANT:ALL CFC, HCFC, AND HFC, INNER/OUTER TUBE MATERIAL:CARBON STEEL/OUTER AND CUPRONICKEL/INNER, CONNECTION SIZES: 1/2" X 3/4" AND 1/2" X 1", CONNECTION TYPE: SWEAT, DIMENSIONS: H-9" W-18" L-18", WEIGHT: 62LBS, BOXED, MADE IN USA