6" x 18" or 18" x 6" Cube Core Eggcrate Return Air Grille Compatible With Duct 8in actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 14 5/8" height

+ Product Details Size - 10"w X 32"h is the size for the duct opening measurement only

Installation – Easy drop ceiling installation

12" x 3" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

75" height

6" x 18" or 18" x 6" Cube Core Eggcrate Return Air Grille Compatible With Duct 8in actual front end outer dimensions+ Product Details Size 6" x 18" or 18" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 19. 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