Broan L400

Broan® high capacity fans are an exceptionally quiet solution to continuous ventilation. With their heavy-duty motors, high-capacity fans are an ideal solution for conference rooms, public restrooms, and other areas in commercial buildings that require ongoing ventilation.

Lo Sone Ceiling Mount Exhaust Ventilator, 1/2″ Insulated Cabinet, Permanently Lubricated-Thermally Protected 120/1/60 Motor, Back Draft Damper, 18-1/2″ x 4-1/2″ Duct 388 CFM @ .25″ @ 2.8 Sones


  • 434 CFM, Whole home or Commercial Ventilation
  • 2.3 Sones for Quiet performance, enough sound to know your fan is on
  • Includes 8-way adjustable mounting brackets for easy ceiling-mount installation
  • Duct horizontally, vertically or in-line with separate adapter
  • Quiet automatic backdraft dampers
  • Model 80L Variable Speed Control adjusts blower speed and sound level (available separately)
  • Not for use over tub or shower
  • UL listed and cUL listed for your safety and protection
  • AMCA licensed for air and sound performance
  • Powerful enough for rooms up to () sq. ft.
  • Two impact-resistant centrifugal blower wheels
  • Heavy-gauge galvanized steel housing resists corrosion

Specification Sheet – PDF format.

Product Enquiry