![Master Flow IR65BL Roof Louver, 5.88 in L, 18 in W, Resin, Black [SKU: ORG1306562]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/34351/33021/1306562__04586.1683068769.jpg?c=1 "Master Flow IR65BL Roof Louver, 5.88 in L, 18 in W, Resin, Black [SKU: ORG1306562]")
![Master Flow IR65BL Roof Louver, 5.88 in L, 18 in W, Resin, Black [SKU: ORG1306562]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/34351/33021/1306562__04586.1683068769.jpg?c=1 "Master Flow IR65BL Roof Louver, 5.88 in L, 18 in W, Resin, Black [SKU: ORG1306562]")
Product Overview
High-impact resin. Scratch, crush and dent-resistant, with UV inhibitors to keep consistent color. 12% larger flashing with pre-drilled nail holes and a built-in screen to deter birds and rodents and prevent clogging. Slant back design to prevent weather infiltration especially in deep slope applications. Hood is snapped in place rather than tacked to reduce the chance of blow-off. 11-3/4 in x 10-3/4 in opening, 20-1/4 in x 18 in flashing, 5-7/8 in H. 65 sq-in of net-free ventilating area. CSA listed. [QTY/UOM: 1EA / 1EA] [PMS SKU: M004-00263] [Category: VENTILATION PRODUCTS/ROOF VENTILATORS;Shop All]
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![Master Flow IR65WW Roof Louver, 5.88 in L, 18 in W, Resin, Weathered Wood, Bronze [SKU: ORG0778605]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34353/33023/0778605__94376.1683068770.jpg?c=1 "Master Flow IR65WW Roof Louver, 5.88 in L, 18 in W, Resin, Weathered Wood, Bronze [SKU: ORG0778605]")
![Master Flow RT65BL Roof Louver, 18-1/2 in L, 18 in W, Resin, Black [SKU: ORG6247696]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34457/33127/6247696__48495.1683068827.jpg?c=1 "Master Flow RT65BL Roof Louver, 18-1/2 in L, 18 in W, Resin, Black [SKU: ORG6247696]")
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![Master Flow RT65BR Roof Louver, 18-1/2 in L, 18 in W, Resin, Brown [SKU: ORG6247688]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/34458/33128/6247688__00315.1683068828.jpg?c=1 "Master Flow RT65BR Roof Louver, 18-1/2 in L, 18 in W, Resin, Brown [SKU: ORG6247688]")