24 In. Heavy Duty Exhaust Fan with Automatic Shutter Part_Handles This fan blade kit includes

This fan blade kit includes 4 steel blades

Ventilates your attic year-round to reduce heat and moisture

This brace kit is compatible with fan models beginning in BF24TF and BF24BA

500 CFM with a 180-degree tilting head and the ability to be mounted on both walls and ceilings

24 In. Heavy Duty Exhaust Fan with Automatic Shutter Part_Handles This fan blade kit includesProvides ventilation by moving air up to 4,100 CFM Fully assembled with wire in design Uses a rough opening of 28. 25" x 28. 25" Rust resistant galvanized steel housing with removable interior grille Pre drilled holes on flange and rolled flange edges for safe and easy installation Automatic shutter prevents drafts from entering through the external opening OSHA compliant grille and totally enclosed, energy efficient PSC motor Requires wiring to your