4 inch White Day/Night Plus Vent Part # N20704W

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4 inch White Day/Night Plus Vent N20704W

All Day/Night PLUS models come complete with two fan blades, white plastic interior trim ring, insect screen, mounting hardware and an easy-to-understand installation manual. High capacity NiMh battery on a full charge will operate the vent for up to 40 hours without sunlight to continually circulates fresh air in boat cabin eliminating mold, mildew and musty air even in cloudy weather.

  • 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
  • Interchangeable intake and exhaust fans
  • Direct to deck installation
  • Built-in on/off fan switch
  • Complete air and green water shut-off from below
  • Dimensions: 9" D x 2-1/4" H
  • Replaces NICRO 3" & 4" snap-in deck plates (fits existing holes once snap-in deck plates are removed)
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