MARINCO 3" Day/Night Solar Vent

MARINCO 3" Day/Night Solar Vent The design threads into the included deck plate, and is removable from the outside without tools. On/off fan switches, LED lights, and intake/exhaust switches are accessible from inside the cabin for ease of use. Features: Circulates fresh air in the boat cabin eliminating mold, mildew, and musty air Moves 1,000 cubic feet of air/hour or 24,000 cubic feet of air/day