Day/Night Solar Vent 4in - White

Day/Night Solar Vent 4in - White. The design threads into 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 4in model. A rechargeable battery allows for 24-hour continuous operation. Whisper quiet fan operation. No wiring required. Built-in on/off fan switch, LED lights, and intake/exhaust switch. High capacity NiMh battery operates vent for up to 24 hours without sunlight on a full charge. Threads into included deck plate and can be removed from outside without tools. Complete air and green water shut-off from below. All Day/Night Plus models come complete with a white plastic interior trim ring, insect screen, mounting hardware, and an easy-to-understand installation manual. Replaces NICRO 3in and 4in snap-in deck plates fits existing holes once snap-in deck plates are removed and Day/Night Plus, models.