537 CFM Black Plastic Solar Powered Attic Fan with Built-in Screen Color/Finish:Black Hi-Flow blades deliver a crisp

Hi-Flow blades deliver a crisp cut and reliable performance to keep lawns healthy

govWARNING: This product can expose you to chemicals

50 lb Capacity: Supports medium-weight frames and décor with reliable performance

These are partially threaded grade 5 hex cap screws

DIY-Friendly: Installs easily

537 CFM Black Plastic Solar Powered Attic Fan with Built-in Screen Color/Finish:Black Hi-Flow blades deliver a crispBroan Solar Powered Attic Ventilators use energy from the sun to operate and require no additional electricity, which means you save up to $180 per year that you might pay to operate an electric powered attic ventilator, depending on your local electric rates, size of attic, climate, etc Plus, you can save even more with a 30% Federal Tax Credit on both the purchase price and installation costs of your Solar Powered Attic Ventilation. Because Broan