Description
The Jabsco 4" Flangemount Heavy Duty Blower – 12V is a rugged marine-grade ventilation solution designed for commercial or high-use engine rooms where reliability matters. 
This 4-inch flange-mount blower delivers robust airflow and long service life to keep engine spaces safe and comfortable.
- 4" flange-mount design: Secure, bulkhead-ready installation on bulkheads and engine room walls.
- 250 CFM airflow: High-volume ventilation for rapid air extraction in demanding environments.
- 12V continuous-duty motor: Built for continuous operation with up to 5,000 hours of service life and a low electrical load for heavy-use applications.
- Corrosion-resistant construction with Delrin rotors: Smooth, reliable operation in harsh marine conditions.
- Easy installation: Outlet flange mounts directly on bulkhead with a slip-on inlet ducting connection for quick, straightforward setup.
- Low-noise, stable performance: Dimensionally stable and quietly running to minimize vibration and noise while delivering steady airflow.
- Compliance & safety: Meets USCG 183.410 and ISO 8846 MARINE; ISO 9097 MARINE (Electric Fans) standards for marine safety and performance.
- Prop 65 Warning: This product can expose you to nickel (metallic), which is known to the State of California to cause cancer.
With 250 CFM of airflow at 12V, this blower rapidly vents heat, fumes, and humidity from engine rooms and workspaces. The heavy-duty flange-mount design ensures a secure, bulkhead-ready installation, while the slip-on inlet ducting simplifies setup and maintenance. Its long motor life and low electrical draw help reduce downtime and power consumption aboard vessels and facilities operating in demanding conditions. Delrin rotors and corrosion-resistant materials contribute to smooth, quiet operation and extended service life in harsh marine environments. The unit’s marine certifications provide added confidence in safety and performance, and the Prop 65 warning helps you make informed purchasing decisions.
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