16" x 28" or 28" x 16" Cube Core Eggcrate Return Air Grille Aluminum - Cube Core + Product Details Size –

+ Product Details Size – 36"w X 30"h 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

this piece is the perfect touch of class you need to add to your decor

+ Product Details Size – 28"w X 28"h is the size for the duct opening measurement only

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

16" x 28" or 28" x 16" Cube Core Eggcrate Return Air Grille Aluminum - Cube Core + Product Details Size –+ 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