![Master Flow WHFS24M Whole House Fan, 4500 cfm Air, Aluminum [SKU: ORG6928790]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/34367/33037/6928790__06307.1683068778.jpg?c=1 "Master Flow WHFS24M Whole House Fan, 4500 cfm Air, Aluminum [SKU: ORG6928790]")
![Master Flow WHFS24M Whole House Fan, 4500 cfm Air, Aluminum [SKU: ORG6928790]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/34367/33037/6928790__06307.1683068778.jpg?c=1 "Master Flow WHFS24M Whole House Fan, 4500 cfm Air, Aluminum [SKU: ORG6928790]")
Product Overview
Master Flow whole house fans are smart energy savers for any climate where cooling costs are a concern. They help beat the heat by forcing hot air out of the home while bringing in cooler outside air. Whole house fans are an important part of a complete home ventilation system. [QTY/UOM: 1EA / 1EA] [PMS SKU: ] [Category: FANS/WHOLE HOUSE FANS;Shop All]
![Master Flow 30BWHFS Whole House Fan, 6000 cfm Air, Aluminum [SKU: ORG6833990]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34366/33036/6833990__16595.1683068777.jpg?c=1 "Master Flow 30BWHFS Whole House Fan, 6000 cfm Air, Aluminum [SKU: ORG6833990]")
![Master Flow S36N Automatic Fan Shutter, Aluminum, Enamel [SKU: ORG6834238]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34427/33097/6834238__48915.1683068813.jpg?c=1 "Master Flow S36N Automatic Fan Shutter, Aluminum, Enamel [SKU: ORG6834238]")
![Master Flow S30 Automatic Fan Shutter, Aluminum, Enamel [SKU: ORG6834139]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34425/33095/6834139__19889.1683068812.jpg?c=1 "Master Flow S30 Automatic Fan Shutter, Aluminum, Enamel [SKU: ORG6834139]")
![Master Flow PGSOLAR Solar Power Ventilator, 500 cfm Air, Galvanized Steel [SKU: ORG8415804]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34368/33038/8415804__02381.1683068778.jpg?c=1 "Master Flow PGSOLAR Solar Power Ventilator, 500 cfm Air, Galvanized Steel [SKU: ORG8415804]")
![Master Flow R50ABR Roof Louver, Aluminum, Brown [SKU: ORG6581664]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34386/33056/6581664__50740.1683068786.jpg?c=1 "Master Flow R50ABR Roof Louver, Aluminum, Brown [SKU: ORG6581664]")