10" x 34" or 34" x 10" Cube Core Eggcrate Return Air Grille Color_R-8.0 Pink Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 21 3/4" x 1"

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+ Product Details Size – 16"w X 8"h is the size for the duct opening measurement only

+ Product Details Size – 12"w X 32"h is the size for the duct opening measurement only

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

10" x 34" or 34" x 10" Cube Core Eggcrate Return Air Grille Color_R-8.0 Pink Actual Filter Size – 13+ Product Details Size 10" x 34" or 34" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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