14" x 22" or 22" x 14" Cube Core Eggcrate Return Air Grille Compatible With Duct 6in Actual Filter Size – 15

Actual Filter Size – 15 3/4"w x 15 3/4" x 1"

Weather and Pest Proof – These louvers are especially designed to prevent water from entering your home

Crafted from durable ABS plastic

Noise free components - No vibrating louvers etc

14" x 22" or 22" x 14" Cube Core Eggcrate Return Air Grille Compatible With Duct 6in Actual Filter Size – 15+ Product Details Size 14" x 22" or 22" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 23. 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