20" ES Shutter Fan

Features:

• Available in 12", 16", or 20"
• Smooth and quiet operation
• Ships totally assembled  (Wiring of motor required)
• Balanced 3 bladed aluminum prop with a zinc plated steel hub
• Chrome guard allows for easy cleaning and meets OSHA 1910.212(a)(5) requirements to mount at any height on inlet side of fan. (When mounted, shutter side should be 7' above ground)
• High efficiency aluminum shutters with tie bar to eliminate shutter flapping  and opening on windy days
• Energy efficient, totally enclosed, maintenance free, direct drive high efficiency motors have completely sealed ball bearings, covered by a FULL TWO YEAR WARRANTY.
• Optional exterior weather hood available to protect your fan from harsh winds and severe weather. (Not listed contact for details)
• Variable speed capable. Must use variable speed control (Not Included)
• 1 Phase - 115/230 Volt

Specifications:

• 1/3 HP Motor 1697 RPM
  
• 3.8 Amps @ 115V
• CFM at 0 Static Pressure: 3140
• CFM / Watt at 0 Static Pressure: 11.2
• 20 1/2" x 20 1/2" Rough Opening