Prefco-JohnsonTech Air Control Inc.
Certified Products
Dampers (Rectangular)
Air-Foil Heavy Duty Control Damper
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Model 12" W x 12" H to 48" W x 46" H
5000 ASF Series Damper
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Model 12" W x 12" H to 36" W x 36" H
C5000 Motorized Damper
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Model 12" W x 12" H to 36" W x 48" H
C5000 Volume Control Damper
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Model 12" W x 12" H to 36" W x 48" H
Air Movement and Control Association International, Inc.