Product HighlightsThe 3/8” bearings and regulator are suitable to use on round as well as square duct. Clear markings on the regulator indicate the damper position which can be locked securely by a wing nut.
California residents: see Proposition 65 Warning
Weight 18.00 Pounds Length 14.00 Inches Width 7.00 Inches Height 9.00 Inches Country of Origin USA Brand Duro Dyne Galvanized Yes Color Silver Finish Galvanized steel
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