High quality aluminum blades mounted on steel zinc and chromated plated spiders. Interchangeable hubs may be attached on either intake or discharge side. 4-Blade propellers are free air type for higher static pressures. Rotation is determined by facing air discharge side. PROPELLERS AND INTERCHANGEABLE HUBS ARE SOLD SEPARATELY.
HEAVY DUTY CONDENSER TYPE FAN BLADES 3-BLADE CLOCKWISE ROTATION