Designed for free air, low pressure applications, these 4-Blade, 18" replacement Aluminum Fan Blades have a 27° pitch, clock-wise rotation and an interchangeable hub location. Constructed of high quality aluminum, these rounded blades offer maximum free air delivery with minimum noise levels.
Applications: Pedestal & Window Fans, Air Circulators
To determine which fan blade is needed, find your present blade diameter, RPM and horsepower of your motor from the chart below.
|QC Part #||Blade Dia.||Pitch||Motor RPM||Motor HP (MIN.)||Shaft Size||No. of Blades||CFM at 0 SP|
|**10493||18"||27°||1725||1/3||1/2" or 5/8"||4||3,300|
|**10494||18"||33°||1075||1/3||1/2" or 5/8"||5||3,100|
**Be sure to order the correct hub size with your blades!