In-Line fans are direct drive centrifugal exhausters design for ultra-quiet operation. 
Capacities up to 3868 CFM and up to 1 inch static pressure. Perfect for offices, conference rooms, bathrooms, hospital rooms - Anywhere quiet, high capacity ventilation is needed.


  • Equipped with electrical terminal box and plug-in disconnect inside housing
  • Wiring plate allows unit to be wired from outside housing
  • Low RPM motors mounted on resilient mounts for quiet, vibration-free operation
  • Motors designed for continuous operation and are permanently lubricated
  • Acoustic insulation inside rugged, heavy gauge galvanized steel housings (VQ50, VQ80, and some in-line models not insulated)
  • May be installed in ceiling or wall
  • Balanced blower wheels for extremely low sound levels
  • Attractive, low profile grilles standard on VQ models
  • May be ducted right angle, straight through or as an in-line blower (VQ50 and VQ80 right angle only)
  • Quiet, built-in backdraft dampers (optional damper kit for VQL2000 and VQL3500)


  • Wall Controls
  • Wall Caps
  • Roof Caps
  • Radiation Dampers

Additional Info

  • Max Static Pressure: 1.0" w.c.
  • Max Airflow (CFM): 3,868
  • Drive Type: Direct Drive
  • Blade Type: Centrifugal
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