32" x 32" Cube Core Eggcrate Return Air Grille Filter Grille With its reliable construction and

With its reliable construction and sleek design

actual front end outer dimensions are 3"

from 4" to 20"

featuring a sleek ½” fin design

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32" x 32" Cube Core Eggcrate Return Air Grille Filter Grille With its reliable construction and+ Product Details Size 32" x 32" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 33. 75" X 33. 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 electric