16" x 20" or 20" x 16" Cube Core Eggcrate Return Air Grille fixed bar 2" X 10" Brass Victorian

2" X 10" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

Actual Front End Outer Dimensions Are 5

and the second number represents the height

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Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 4

16" x 20" or 20" x 16" Cube Core Eggcrate Return Air Grille fixed bar 2" X 10" Brass Victorian+ Product Details Size 16" x 20" or 20" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" X 21. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing