attwood 1733 4 Turbo 3000 Series in Line Bilge Blower, for 3 Inch Interior Diameter Vent Hose, Water Resistant, 12 Volt

Features a patented, in-line design and 5-blade fan maximizes airflow and efficiency The blade movement and pitch are designed for a high lift coefficient, resulting in a higher airflow rate for optimal ventilation The system's airflow is no less than 25 percent greater than that of older inline blowers Up to four times more efficient than competing fans because it uses up to 40 percent fewer amplifiers Marine ignition resistant and has built-in mounting feet for easy vertical or horizontal installation