![Master Flow DA1218 Dual Louver, 20-1/2 in L, 14-1/2 in W, Aluminum, Silver, Mill [SKU: ORG6246912]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/34402/33072/6246912__92825.1683068799.jpg?c=1 "Master Flow DA1218 Dual Louver, 20-1/2 in L, 14-1/2 in W, Aluminum, Silver, Mill [SKU: ORG6246912]")
Product Overview
One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting. [QTY/UOM: 1EA / 1EA] [PMS SKU: ] [Category: VENTILATION PRODUCTS/LOUVERED GABLE VENTS;Shop All]
![Master Flow DA1218 Dual Louver, 20-1/2 in L, 14-1/2 in W, Aluminum, Silver, Mill [SKU: ORG6246912]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/34402/33072/6246912__92825.1683068799.jpg?c=1 "Master Flow DA1218 Dual Louver, 20-1/2 in L, 14-1/2 in W, Aluminum, Silver, Mill [SKU: ORG6246912]")
![Master Flow DA1218W Dual Louver, 20-1/2 in L, 14-1/2 in W, Aluminum, White [SKU: ORG6247100]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34407/33077/6247100__19238.1683068801.jpg?c=1 "Master Flow DA1218W Dual Louver, 20-1/2 in L, 14-1/2 in W, Aluminum, White [SKU: ORG6247100]")
Master Flow
![Master Flow DA1824 Dual Louver, 26-3/8 in L, 20-1/2 in W, Aluminum, Silver, Mill [SKU: ORG6247035]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34404/33074/6247035__22383.1683068800.jpg?c=1 "Master Flow DA1824 Dual Louver, 26-3/8 in L, 20-1/2 in W, Aluminum, Silver, Mill [SKU: ORG6247035]")
Master Flow
![Master Flow DA2430 Dual Louver, 32-1/4 in L, 26-1/2 in W, Aluminum, Silver, Mill [SKU: ORG6247084]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34405/33075/6247084__83240.1683068800.jpg?c=1 "Master Flow DA2430 Dual Louver, 32-1/4 in L, 26-1/2 in W, Aluminum, Silver, Mill [SKU: ORG6247084]")
Master Flow
![Master Flow DA1212 Dual Louver, 14-3/4 in L, 14-1/2 in W, Aluminum, White, Mill [SKU: ORG6246821]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34401/33071/6246821__18502.1683068798.jpg?c=1 "Master Flow DA1212 Dual Louver, 14-3/4 in L, 14-1/2 in W, Aluminum, White, Mill [SKU: ORG6246821]")
Master Flow
![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/500x659/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