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Stainless Steel Butterfly Vent - Center Knob - 4"
Butterfly Vents promote air flow preventing mold, mildew, and associated odors. Features a center knob that allows for easy adjustment of the opening. Corrosion resistant 304 stainless steel construction. Installs with four #6 RH fasteners (not included).
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![Sea-Dog Stainless Steel Round Louvered Vent - 5" [331425-1]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/10008/11502/77416XL__75324.1638252560.jpg?c=1 "Sea-Dog Stainless Steel Round Louvered Vent - 5\" [331425-1]")
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