![Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 5" [331450-1]](http://dbmarinesupplies.com/cdn/shop/files/77418XL_{width}x.jpg?v=1682739803)
Stainless Steel Butterfly Vent - Center Knob - 5"
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).