attwood Blower (White, 3-Inch) Patented in-line design provides ventilation for engine compartments, galleys, bilges, and heads Install with no.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 inch design includes: nickel plated motor can for corrosion resistance, Stiffening ribs to reduce housing distortion Mounting feet allow vertical or horizontal installation in confined spaces Motor cap to seal wires and motor for water resistance