Attwood Blowers For 4 Inch Hose

For 4" I.D. ventilation hose. 12 volt D.C. systems only. Patented in-line design provides reliable, high-output ventilation for larger engine compartments, bilges and heads.  Mounting feet allow vertical or horizontal installation in confined spaces.  Open-flow capacity 230 CFM at 13.6 volts; 220 CFM at 12 volts. Draws 3.5 amps.  Dimensions (including mounting bracket): 4-1/2" high x 6-1/16" wide x 5-1/32" long. Mounting feet are pre-drilled with two holes for #10 screws.