Replacement blade pulley for High Efficiency 52" Windstorm fan, 48" Cumberland® Mega Flow fan, and Aerotech® 48" Grower fan. 10.25" Diameter. 1" shaft diameter hub.
Diagram 1 - Cumberland Mega Flow fans (part #3)
Diagram 2 - Aerotech Grower fans (part #17)
WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.