Flex-A-Lite 6 blade Fan 28 inch part number 6281 Max R.P.M. 2,550.

New old stock. A little dusty but still unused. This is a 6 blade fan 28 inches long. Has the part number 6281 on it. Max RPM is 2,550. I cant seem to find much info on this one. Pictures show exact item for sale.