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Material of Construction: Body, damper plate and shaft is made of PVC. Locking quadrant and fasteners shall be made of stainless steel.
Temperature Limitation: Adjustable Damper recommended up to 140º F.
Application: Designed to operate in ducting where highly corrosive air is present.
Designed to fit round schedule 40 PVC ducting or other construction
materials as specified by the dimensions listed for each model damper.
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