12" x 12" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 15" x 15"] R-6.0 insulation + Product Details Size - Product Description Enhance your CRFG68 Victorian Floor Registers

+ Product Details Size - 20"w X 32"h is the size for the duct opening measurement only

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Enhanced functionality comes with leather-lined side loops

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 32" OR 32" X 16" duct opening (measured at the opening)

+ Product Details Size - 18"w X 16"h is the size for the duct opening measurement only

12" x 12" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever Operated Damper for Air Flow Control [Outer Dimensions: 15" x 15"] R 6.0 insulation + Product Details Size Product Description Enhance your CRFG68 Victorian Floor Registers + Product Details Size 20"w X 32"h is the size for the duct opening measurement only } (function () { const container = document