Cooling Fan, High Performance, Blade Dia. 14 in, CFM @ 0.000 -In. SP 1, 555 cfm, CFM @ 0.125 -In. SP 1, 400 cfm, CFM @ 0.250 -In. SP 1, 200 cfm, CFM @ 0.375 -In. SP 800 cfm, CFM @ 0.500 -In. SP 339 cfm, Sones @ 0.000 -In. SP @ 5 Ft. -, Sones @ 0.125 -In. SP @ 5 Ft. -, Max. Ambient Temp. (F) 200 Degrees F, Fan Voltage 12V DC, - Hz, - Phase, Exhaust/Supply Fan Motor HP 3/32 hp, Motor RPM 2600 to 3200, Motor Type DC, Motor Enclosure Totally Enclosed, Motor Insulation -, Bearing Type Sleeve