26" x 30" or 30" x 26" Cube Core Eggcrate Return Air Grille d thanks to counter-sunk screw holes

thanks to counter-sunk screw holes and included screws

Ideal for Walls & Ceilings: Designed for seamless installation in standard 18" X 18" duct openings

Design – Premium plated finish and modern contempo design forming a luxurious & impressive piece for your home

actual front end outer dimensions are approximately 26 5/8" width X 34 5/8" height

Actual Front End Outer Dimensions Are 8" Diameter

26" x 30" or 30" x 26" Cube Core Eggcrate Return Air Grille d thanks to counter-sunk screw holes+ Product Details Size 26" x 30" or 30" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 75" X 31. 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