The SEAFLO 4" 235 CFM Round In-Line Bilge Blower Fan is a powerful, high-efficiency ventilation fan designed for boats, yachts, marine vessels, RVs, and confined spaces that require continuous air circulation. Engineered with low current draw and high output performance, this 24V bilge blower provides optimal airflow while minimizing power consumption. The five-blade centrifugal fan maximizes air volume and efficiency, delivering 235 CFM (400 CMH) of airflow to remove moisture, fumes, and odors from enclosed areas. Built with a corrosion-resistant ABS plastic housing, sealed motor shaft, and moisture-resistant components, this marine-grade in-line blower fan ensures long-lasting durability in harsh environments. Its compact, lightweight design allows for easy installation on any flat surface, making it perfect for bilge ventilation, engine compartments, and storage areas.