![Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 5" [331450-1] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/77418XL-247531_{width}x.jpg?v=1713413770)
![Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 5" [331450-1] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/77418XL-247531_1024x.jpg?v=1713413770)
Description
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).