20" x 22" or 22" x 20" Cube Core Eggcrate Return Air Grille Compatible with Duct 10" High Quality – Heavy-gauge all-steel

High Quality – Heavy-gauge all-steel construction

Elevate your space with hassle-free functionality and experience superior ventilation today

this air vent diffuser is built to last

this 4-way air vent diffuser allows you to precisely control airflow

20" x 22" or 22" x 20" Cube Core Eggcrate Return Air Grille Compatible with Duct 10" High Quality – Heavy-gauge all-steel+ Product Details Size 20" x 22" or 22" x 20" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 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