Hooded Gravity Intake Ventilator
     
Impeller Size:
  12x12 - 72x144 in
Flow:
  0 - 93,600 CFM
SP:
  0 - .5 in

Selected sizes are available on 24hr Express
Heavy gauge aluminum construction - Birdscreen - Radius throat for optimum performance - Rain gutter to prevent rain infiltration - Welded curb cap corners - Integral lifting lugs/tie down points - Five year warranty
GI
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