4" X 12" Mobile Home RV Floor Register Vent Grille with Back Dampers - Fixed Blades - 2 way Deflection - White Compatible With Duct 8in 9% Pure Copper meeting ASTM

9% Pure Copper meeting ASTM B280 standards

+ Product Details Size - 8"w X 4"h is the size for the duct opening measurement only

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4" X 12" Mobile Home RV Floor Register Vent Grille with Back Dampers - Fixed Blades - 2 way Deflection - White Compatible With Duct 8in 9% Pure Copper meeting ASTM+ Product Details Size 4"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 5" X 13. 5" wider. Installation Location Floor. Design Rigid gauge built for durability and long life in mind, but still light and handy. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just waxed. Quality Packaging Carefully shrink wrapped with cardboard backing to prevent damage