26" x 30" or 30" x 26" Cube Core Eggcrate Return Air Grille 14" Round Duct Pipe } function toggleAccordion(event) { event

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actual front end outer dimensions are approximately 34 5/8" width X 8 5/8" height

Actual Filter Size – 19 3/4"w x 25 3/4" x 1"

+ Product Details Size - 24"w X 12"h X 2"d (for duct opening measurement only)

Actual Filter Size – 25 3/4"w x 17 3/4" x 1"

26" x 30" or 30" x 26" Cube Core Eggcrate Return Air Grille 14" Round Duct Pipe } function toggleAccordion(event) { event+ Product Details Size 26" x 30" or 30" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 75" X 31. 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