22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Grille Insulated Line Set Filter grille features a user-friendly

Filter grille features a user-friendly plastic latch that requires no screwdriver for opening

+ Product Description Elevate your space with our Aluminum Ceiling Diffuser

+ Product Details Size – 30"w X 36"h is the size for the duct opening measurement only

Rigid Built For External Use – The sturdy and rigid design features noise-free components that eliminate vibration and excess noise to the louvers

75"H – fits a 18" X 18" duct opening

22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Grille Insulated Line Set Filter grille features a user-friendly+ Product Details Size 22" x 26" or 26" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 27. 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