![Master Flow SSB960A Roof Louver, 18 in L, 20-1/2 in W, Aluminum, Mill [SKU: ORG6247613]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/34461/33131/6247613__02927.1683068829.jpg?c=1 "Master Flow SSB960A Roof Louver, 18 in L, 20-1/2 in W, Aluminum, Mill [SKU: ORG6247613]")
![Master Flow SSB960A Roof Louver, 18 in L, 20-1/2 in W, Aluminum, Mill [SKU: ORG6247613]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/34461/33131/6247613__02927.1683068829.jpg?c=1 "Master Flow SSB960A Roof Louver, 18 in L, 20-1/2 in W, Aluminum, Mill [SKU: ORG6247613]")
Product Overview
Aluminum material resists rust. Fully enclosed hood to help prevent rodent/insect infiltration and leaf/pine needle clogging. Embossed finish hides scratches and resists wear. Larger flashing with pre-drilled nail holes makes installation easier, helps prevent leaks. 9-7/8 in opening, 16 in x 201/2 flashing dimension. 60 sq-in. of net-free ventilating area per vent. Dade County approved. Florida Building Code (FBC) approved for specified Sku's. CSA listed. [QTY/UOM: 1EA / 1EA] [PMS SKU: ] [Category: VENTILATION PRODUCTS/ROOF VENTILATORS;Shop All]
![Master Flow SSB960ABL Roof Louver, 18 in L, 20-1/2 in W, Aluminum, Black [SKU: ORG6247621]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34464/33134/6247621__33050.1683068831.jpg?c=1 "Master Flow SSB960ABL Roof Louver, 18 in L, 20-1/2 in W, Aluminum, Black [SKU: ORG6247621]")
![Master Flow SSB960ABR Roof Louver, 18 in L, 20-1/2 in W, Aluminum, Brown [SKU: ORG6247639]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34462/33132/6247639__54031.1683068830.jpg?c=1 "Master Flow SSB960ABR Roof Louver, 18 in L, 20-1/2 in W, Aluminum, Brown [SKU: ORG6247639]")
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![Master Flow SSB960ABLF Roof Louver, 20-1/2 in L, 16 in W, Aluminum, Black, Roof Installation [SKU: ORG8150112]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34370/33040/8150112__58843.1683068779.jpg?c=1 "Master Flow SSB960ABLF Roof Louver, 20-1/2 in L, 16 in W, Aluminum, Black, Roof Installation [SKU: ORG8150112]")