Variable Speed. This unit is growing in popularity for it's fan speed switch, which allows the contractor to determine the speed and amount of air being filtered.
Made from aircraft grade aluminum for reduced weight (41 lbs.)

Features:

• MADE IN U.S.A.
• Variable Speed Controller: 100 C.F.M. to 550 C.F.M.
• 28" Length X 14" Width X 15" Height
• Maintenance free motorized impeller
• Recessed Control Panel
• Slide Down Door for E-Z accessibility
• Four (4) Rubber Feet
• 8" Exhaust

Filters:
   1st Stage - 13" X 13" Pre-Filter
   2nd Stage - 13" X 13" X 1" Ring Panel
   3rd Stage - 12" X 12" X 11-1/2" H.E.P.A. Filter

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