![Master Flow R50A Roof Louver with Square Throat, 16-1/2 in L, 15 in W, Aluminum, Mill, Roof Installation [SKU: ORG6581615]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/600x600/products/83126/81222/6581615__39413.1692633708.jpg?c=1 "Master Flow R50A Roof Louver with Square Throat, 16-1/2 in L, 15 in W, Aluminum, Mill, Roof Installation [SKU: ORG6581615]")
Product Overview
The ideal utility vent for kitchen duct outlets, bathroom fan exhausts and attic exhaust ventilation, Aluminum construction with square throat. [QTY/UOM: 1EA / 1EA]
![Master Flow R50A Roof Louver with Square Throat, 16-1/2 in L, 15 in W, Aluminum, Mill, Roof Installation [SKU: ORG6581615]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/1280x1280/products/83126/81222/6581615__39413.1692633708.jpg?c=1 "Master Flow R50A Roof Louver with Square Throat, 16-1/2 in L, 15 in W, Aluminum, Mill, Roof Installation [SKU: ORG6581615]")
![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
![Master Flow IR612BR Roof Louver, 17-1/2 in L, 18-1/2 in W, Resin, Brown, Roof Installation [SKU: ORG5906078]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/77361/75616/5906078__84438.1692631953.jpg?c=1 "Master Flow IR612BR Roof Louver, 17-1/2 in L, 18-1/2 in W, Resin, Brown, Roof Installation [SKU: ORG5906078]")
Master Flow
![Master Flow SSB960AW Roof Louver, 18 in L, 20-1/2 in W, Aluminum, White [SKU: ORG6247654]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/58467/57523/6247654__21229.1692626328.jpg?c=1 "Master Flow SSB960AW Roof Louver, 18 in L, 20-1/2 in W, Aluminum, White [SKU: ORG6247654]")
Master Flow
![Master Flow SSB960ABR Roof Louver, 18 in L, 20-1/2 in W, Aluminum, Brown [SKU: ORG6247639]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/58465/57521/6247639__41585.1692626327.jpg?c=1 "Master Flow SSB960ABR Roof Louver, 18 in L, 20-1/2 in W, Aluminum, Brown [SKU: ORG6247639]")
Master Flow
![Master Flow R50ABL Roof Louver, 17-1/2 in L, 17.4 in W, Aluminum, Black [SKU: ORG6581656]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/38861/38417/6581656__40261.1691786444.jpg?c=1 "Master Flow R50ABL Roof Louver, 17-1/2 in L, 17.4 in W, Aluminum, Black [SKU: ORG6581656]")
Master Flow