Attwood 1749-4 Turbo 4″ In-Line Blower Water Resistant. 12-Volt. Provides Ventilation For Engine Compartments, Bilges, and Heads Where Moisture Is Present. It Provides A Powerful 145-CFM Air Flow, Fits In Most Tight Places. Sealed Wires And Motor for Water Resistance. Backed By Attwood’s 3-Year Limited Warranty.

Replaces Shurflo 277-4110