Series 10R  - Propeller Fans and Wall Ventilators | Hartzell Air Movement
Belt Drive, Low Speed, High Volume Ring Fan, Reverse Flow
Series 89  - Adjustable Pitch Fan Assemblies | Hartzell Air Movement
Aluminum Adjustable Pitch Fan Assembly, Type A
Series 90  - Adjustable Pitch Fan Assemblies | Hartzell Air Movement
Aluminum Adjustable Pitch Fan Assembly, Type AA
Series 91  - Adjustable Pitch Fan Assemblies | Hartzell Air Movement
Aluminum Adjustable Pitch Fan Assembly, Type BN
Series 92 - Adjustable Pitch Fan Assemblies | Hartzell Air Movement
Aluminum Adjustable Pitch Fan Assembly, Type BT