Marinco N20804S 4" Solar Powered Day/Night Vent Stainless Steel

The Marinco N20804S is a 4-inch solar-powered ventilation system designed to keep boat cabins fresh and dry by continuously circulating air. This premium stainless steel vent eliminates mold, mildew, and musty odors by moving up to 1,000 cubic feet of air per hour—24,000 cubic feet per day—without requiring any wiring or electrical connection.

Key Features:

• Solar-powered operation with high-capacity rechargeable NiMH battery for up to 24 hours of continuous use without sunlight
• Whisper-quiet fan operation won't disturb peace aboard
• Built-in on/off fan switch, LED lighting, and reversible intake/exhaust switch for customized airflow
• No wiring required—completely self-contained solar charging system
• Durable stainless steel construction for marine environments
• Tool-free removal from outside by threading into included deck plate
• Complete air and green water shut-off capability from below deck
• Includes white plastic interior trim ring, insect screen, and all mounting hardware
• Direct replacement for NICRO 3" and 4" snap-in deck plates—fits existing cutouts

This Day/Night Solar Vent provides reliable ventilation whether you're aboard or away, helping protect your investment by preventing moisture damage and maintaining a comfortable cabin environment. The rechargeable battery ensures continuous operation even during cloudy weather or nighttime hours.