Blue anti-corrosion-fin is used to increase the life span of the coil. Seamless inner groove copper tube is used to increase the heat exchange rate by reducing the space between the fin and the copper tube. Highest quality compressor in the world (Copeland). Head pressure control stabilizes the freezing of liquid line, minimizes formation of flash gas to increase the efficiency of the system, and prevents compressor damage by controlling high pressure.Product dimensions:38.5" Width x 28.27" Depth x 17.87" HeightProduct weight:194 lbs2HP, 208-230V/60Hz/1PhConnections (ID): Liquid: 3/8, Suction: 7/8Receiver 90% Full Lbs: 10CFM: 1600Refrigerant: R404aFans: 2Compressor: ZB15KQE-PFVUsage Tips:-Additional info:-FR7-TA-TS020MR404A2 #06338