YELLOWTAIL™ 4" Marine Blower - 12 VDC, 215 CFMSHURFLO has developed a unique nylon fan that includes six blades to ensure high performance and efficient ventilation for bilges, engine compartments, galleys and heads. Installation of the YELLOWTAIL blower is made easy with extended barbs and slotted mounting bracket.Features: 6 Blade Nylon Fan Heavy Duty Fan Housing Compact Design Extended Barbs for ease of Installation Sealed Motor & Wires for Corrosion Resistance Sealed Motor Shaft for Moisture Protection & Long Life Slotted Baseplate for Easy Mounting CE Listed 3 Year Warranty