![Master Flow S36N Automatic Fan Shutter, Aluminum, Enamel [SKU: ORG6834238]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/34427/33097/6834238__48915.1683068813.jpg?c=1 "Master Flow S36N Automatic Fan Shutter, Aluminum, Enamel [SKU: ORG6834238]")
Product Overview
Master Flow Fan Shutter, Automatic, 42-1/2 in Length x 37-3/4 in Width Overall, 40-1/2 in Length x 35-7/8 in Width Opening, Aluminum, Enamel, White [QTY/UOM: 1EA / 1EA] [PMS SKU: ] [Category: FANS/WHOLE HOUSE FANS;Shop All]
![Master Flow S36N Automatic Fan Shutter, Aluminum, Enamel [SKU: ORG6834238]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/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
![Master Flow SGM20 Power Vent Automatic Shutter, 19-1/4 in W, Aluminum, White [SKU: ORG6393649]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34423/33093/6393649__97211.1683068810.jpg?c=1 "Master Flow SGM20 Power Vent Automatic Shutter, 19-1/4 in W, Aluminum, White [SKU: ORG6393649]")
Master Flow
![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
![Master Flow WHFS24M Whole House Fan, 4500 cfm Air, Aluminum [SKU: ORG6928790]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34367/33037/6928790__06307.1683068778.jpg?c=1 "Master Flow WHFS24M Whole House Fan, 4500 cfm Air, Aluminum [SKU: ORG6928790]")
Master Flow
![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]")