24 Hours Solar Model 99689 is an automatic solar and rechargeable-battery marine vent designed for continuous, waterproof deck ventilation.

• 24 Hours Solar Model 99689: automatic solar and rechargeable-battery vent for continuous, waterproof deck ventilation.
• Dual power - solar panel by day, rechargeable battery by night.
• Automatic switching between solar and battery power for uninterrupted operation.
• Directional impeller for selectable intake or exhaust airflow.
• Three-function control: solar only, battery only, or reverse airflow.
• Anti-leak ball system seals openings to prevent water ingress.
• Stainless-steel (INOX) cover for corrosion resistance; diameter 20 cm (7.9 in).