Product HighlightsA 90° ceiling box creates a right angle transition from round pipe or insulated flexible duct to an air register or grille in the ceiling. The flange offers easy installation using sheet metal screws while the radiation damper protects openings in fire-rated horizontal ceiling assemblies and closes automatically to restrict the passage of heat
California residents: see Proposition 65 Warning
Weight 3.45 Pounds Length 12.00 Inches Width 6.00 Inches Height 12.38 Inches Country of Origin USA Brand Southwark R-Value Not Insulated Flanged Yes Galvanized Yes Color Silver Composition Galvanized Steel Gauge 30 GA Insulated No Size 4" x 10" x 6" UL Recognized Yes
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