32" x 34" or 34" x 32" Cube Core Eggcrate Return Air Grille Outdoor Vent Covers [Outer Dimensions: 16

[Outer Dimensions: 16

+Product Details Size – 2"h x 12"w is the size for the duct opening measurement only

Actual Filter Size – 33 3/4"w x 19 3/4" x 1"

Control Your Airflow on drop ceiling grilles

32" x 34" or 34" x 32" Cube Core Eggcrate Return Air Grille Outdoor Vent Covers [Outer Dimensions: 16+ Product Details Size 32" x 34" or 34" x 32" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 33. 75" X 35. 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