Product review (2 stars): *** BEWARE***
This item/fan works, BUT before you install it, plug it into an outlet on your workbench or work surface to make sure the fan is spinning in the CORRECT DIRECTION.  Mine was assembled backwards.  I had to unscrew the whole motor assembly to reverse the fan rotation.

Actually, my old/original fan spun faster than the high speed of this fan.  My old fan was caked with grease.  I had to steam clean it and lubricate the fan's shaft.  Then, all worked well.  In retrospect, I shouldn't have ordered this new fan, but who knew that I'd have to disassemble this new one.