ProTerra Fiberglass Fans

ProTerra® Fiberglass Cone Fan Features

  • Corrosion-resistant, reinforced-fiberglass housing with aluminum motor mounts and a heavy cast-aluminum blade.
  • Backed by ProTerra® Systems’ generous extended warranty including limited lifetime coverage for housing and blade, and a bonus year on motors. (See ProTerra® Full Written Warranty for complete warranty details.)
  • High CFM and CFM/watt, even under high static pressure.
  • Heavy-duty, cast iron, air-handler type bearings are self-aligning, pre-lubricated, and include a zerk fitting, as well as being shielded from moisture and dust.
  • Grill simply snaps into impact-resistant, polyethylene, one-piece cone with no fasteners required.

BI-FLOW® Shutter

  • Improves fan performance by minimizing obstructions during fan operation.
  • Delivers up to 10% more air with 75% less opportunity for air to leak through compared to a traditional louver shutter.
  • BI-FLOW Doors do not suffer the 12-15% loss of efficiency and air speed typical of dirty louver-style shutters, so air speed is maintained over time.
  • The BI-FLOW Shutter consists of only two moving parts for greater reliability and easier cleaning.

ProTerra® Louver Shutter

  • Belled shutter has a curved, aerodynamic frame with flexible louver edges to help seal the fan’s opening.
  • Corrosion-proof vinyl construction with a rigid vinyl frame and fiberglass rod louver hinges.
  • Idler Tensioner Maintains Belt Tension
  • Louvers are easy to replace and have a smooth, easy- care finish for low maintenance.


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