Product HighlightsDampers are typically installed in metal start collars or register boots to adjust supply or return air volume.
California residents: see Proposition 65 Warning
Weight 0.07 Pounds Length 4.00 Inches Width 4.00 Inches Height 0.20 Inches Country of Origin USA Brand Southwark Galvanized Yes Damper Type 1-Quad Diameter 4" Color Silver Composition Galvanized Steel Finish Not Provided Gauge 26 GA Shape Round Size 4" Warranty Offered No
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