Triangle Whole House Fan 30 inch 2 Speed 1500 Sq. Ft. Max Belt Drive CC3023
Triangle EngineeringTE-CC3023
Triangle Whole House Fan 42 inch 2 Speed 3200 Sq. Ft. Max Belt Drive CC4223
Triangle EngineeringTE-CC4223
QuietCool Classic Whole House Fan 1 Speed 1472 CFM CL-1500
QuietCoolQC-CL-1500