16" x 28" or 28" x 16" Cube Core Eggcrate Return Air Grille Aluminum - Cube Core crafted from 99

crafted from 99

actual front end outer dimensions are approximately 18 5/8" width X 32 5/8" height -

+ Product Details Size - 14" X 14" is the size for the duct opening measurement only

Actual Front End Outer Dimensions Are 14" Width X 5" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

Actual Filter Size – 31 3/4"w x 35 3/4" x 1"

16" x 28" or 28" x 16" Cube Core Eggcrate Return Air Grille Aluminum - Cube Core crafted from 99+ Product Details Size 16" x 28" or 28" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" X 29. 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