MARINCO 4" Day/Night Solar Vent - Stainless Steel

MARINCO 4" Day/Night Solar Vent - Stainless Steel New design threads into included deck plate, and is removable from outside without tools. On/off fan switch, LED lights and intake/exhaust switch accessible from inside the cabin for ease of use. Features: Circulates fresh air in boat cabin eliminating mold, mildew and musty air Moves 1,000 cubic feet of air/hour or 24,000 cubic feet of air/day (4