22" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder Coated Actual Filter Size – 15 4 X 12 Is CRFG2028 Width_14in

Actual Filter Size – 15 3/4"w x 21 3/4" x 1"

6"w X 6"h 3-Way Fixed Curved Blade Air Supply Diffuser - Vent Duct Cover - Grille Register - Sidewall or Cieling - High Airflow - White

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 28" OR 28" x 18" duct opening (measured at the opening)

efficient airflow

Crafted from high-quality

22" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder Coated Actual Filter Size – 15 4 X 12 Is CRFG2028 Width_14in Actual Filter Size – 15 3 4"w x 21 3 4" x 1" 6"w X 6"h 3 Way Fixed Curved Blade Air Supply Diffuser Vent Duct Cover Grille Register Sidewall or Cieling High Airflow White