Attwood - Turbo 3000 Series In-Line Blower - Water-Resistant - 12V - White - 1733-4. The first vane axial-flow fan bilge blowers designed using aerospace technology to maximize performance. No other bilge blowers in the industry provide such powerful system output at such a low power input in a compact size.. Patented in-line design - provides ventilation for engine compartments, galleys, bilges, and heads. Mounting feet allow vertical or horizontal installation in confined spaces. Install with #10 fasteners. Individual carton includes 2 tie straps. All are CE certified. 16-gauge tinned and caulked copper wire leads with optional MP1 molded rubber connectors. Improved 3" design.. Features:. Nickel-plated motor can for corrosion resistance. Stiffening ribs to reduce housing distortion. Motor cap to seal wires and motor for water resistance. Five-blade fan maximize airflow and efficiency. Tabs in intake and exhaust hold ventilation hose/clamp firmly in place. Low amp draw motor for longe