22% more cooling over other designs; 200 Micro Extruded passages; Large surface area to transfer heat for external air flow cooling; Turbulent oil flow design promotes a more complete cooling; Large 5/8-inch ports prevents inlet/outlet restriction; Furnace brazed rails have been tested to 300psi of pressure; 80-watt, 10-inch, 800 CFM electric fan; 33,930 BTU/HR and in excess of 30,000 GVW!; Motor is IP54 with 65% duty cycle; Cooler Assembly Only