4" X 12" Luxury Victorian Floor Register Grille With Dampers - Luxury Contempo Decorative Grate - HVAC Vent Duct Cover - Antique Brass 6" Round Duct Pipe + Product Details Size -

+ Product Details Size - 32"w X 28"h X 2"d (for duct opening measurement only)

so you are not left with much waste

+ Product Details Size – 16" x 26" or 26" x 16" is the size for the duct opening measurement only

But they are also the most

+ Product Details Size - 18"w X 18"h X 2"d (for duct opening measurement only)

4" X 12" Luxury Victorian Floor Register Grille With Dampers - Luxury Contempo Decorative Grate - HVAC Vent Duct Cover - Antique Brass 6" Round Duct Pipe + Product Details Size -+Product Details Size 4"h x 12"w is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 5" height x 13. 5" width High Quality Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control. Installation Location Floor. Design Premium plated finish and modern contempo design forming a luxurious & impressive piece for your home. Quality Packaging