New Extruded Tube Core Technology this Aluminum 14 tubed cooler is fully aluminum brazed for strength and features welded tubes and high efficiency fins. Cooler is light, strong and durable. Compact size makes mounting easy. May be used for all types of cooler situations. Twin Spal fans pull 660 cfm total and draw 13 amps total. Inlet and outlet are -12 AN fittings.