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 includes:  

Nickel-plated motor can for corrosion resistance

Stiffening ribs to reduce housing distortion

Motor cap to seal wires and motor for water resistance