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.
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" model)
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 white plastic interior trim ring, insect screen, mounting hardware and an easy-to-understand installation manual
Replaces NICRO 3" and 4" snap-in deck plates (fits existing holes once snap-in deck plates are removed) and Day/Night Plus models

WARNING: This product can expose you to chemicals including Di-n-hexyl Phthalate, DnHP, which is known to the State of California to cause reproductive harm, and Vinyl Chloride which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.