![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-iqof5nfcfj/images/stencil/600x600/products/41104/40534/6246912__17013.1691787221.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
For exhaust or intake applications. [QTY/UOM: 1EA / 1EA]
![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-iqof5nfcfj/images/stencil/1280x1280/products/41104/40534/6246912__17013.1691787221.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-iqof5nfcfj/images/stencil/500x659/products/41109/40539/6247100__24521.1691787222.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-iqof5nfcfj/images/stencil/500x659/products/41106/40536/6247035__86216.1691787221.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-iqof5nfcfj/images/stencil/500x659/products/41107/40537/6247084__32633.1691787221.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-iqof5nfcfj/images/stencil/500x659/products/41103/40533/6246821__13209.1691787220.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-iqof5nfcfj/images/stencil/500x659/products/12989/13069/6247613__55244.1691777652.jpg?c=1 "Master Flow SSB960A Roof Louver, 18 in L, 20-1/2 in W, Aluminum, Mill [SKU: ORG6247613]")
Master Flow