18" x 32" or 32" x 18" Cube Core Eggcrate Return Air Grille rg1010 With a 5" diameter for

With a 5" diameter for the duct opening measurement

Made of strong ABS plastic

while the powder-coat finish offers a sleek

+ Product Details Size - 6"w X 4"h is the size for the duct opening measurement only

Actual Front End Outer Dimensions Are 16" Width X 6" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

18" x 32" or 32" x 18" Cube Core Eggcrate Return Air Grille rg1010 With a 5" diameter for+ Product Details Size 18" x 32" or 32" x 18" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 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