36"W X 22"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 37.875"W X 23.875"H] w16h16 and sound level range of Product Details Size 14 Material_Anodized Aluminum LR164

and sound level range of NC 25 to 35

Experience hassle-free installation and full adjustability for optimal airflow

Featuring a reliable tumbler lock and key system

+ Product Details Size – 24"w X 24"h

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 30" OR 30" x 24" duct opening (measured at the opening)

36"W X 22"H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 37.875"W X 23.875"H] w16h16 and sound level range of Product Details Size 14 Material_Anodized Aluminum LR164 and sound level range of NC 25 to 35 Experience hassle free installation and full adjustability for optimal airflow