Sunsei Solar Vent - Stainless Steel

Can run for 48 hours without sunlight
Fingertip control switch makes it easy to go from Intake to Exhaust to Off
Easy to install - No wiring required
Weather-resistant closure from below - avoid water ingress (rough seas, heavy rainfall)
Can be installed on rigid and flexible surfaces (fiberglass, wood, glass, plastic, metal, canvas, nylon, PVC)

Sunsei Solar Vent - Stainless Steel

Performance:
Airflow per Hour: 1,000 ft3 (28 m3
Airflow per Day: 24,000 ft3 (680 m3)
Run Time without Sunlight 48 Hours

Features:
Batteries2 x 2000mAh AA NiMh (included)
Fan Blade Reversible (Intake/Exhaust) switch

Unit Dimensions:
Exterior Cover Diameter: 10.5 inches (265 mm)
Total Height: 6 inches (125 mm)
Vent Diameter: 4 inches (100 mm)
Weight 2.5 lbs (1.1 kg)