Not sure what it was designed to cool. 2-3/8” sq. X 9/16” thk. 12VDC fan attached to heavy aluminum heatsink. Panasonic FBA06T12H (or eq.) fan rated: 12VDC @ .21A, 16CFM, 32db noise. Heatsink has two 1/4” holes in base & 11/16” Dia milled out of fins on inside for clearance around 1/4” holes. Fan 11" leads connected to 3 pin header connector.
