20"W X 18"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 21.875"W X 19.875"H] Grilles + Product Description Introducing our

+ Product Description Introducing our 24" Wooden Corner Baseboard Grille - a sophisticated addition to elevate your HVAC system and interior decor

+ Product Details Size - 32"w X 18"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 16" OR 16" x 28" duct opening (measured at the opening)

these louvers are built to last

+ Product Details Size - 14"w X 12"h X 2"d (for duct opening measurement only)

20"W X 18"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 21.875"W X 19.875"H] Grilles + Product Description Introducing our+ Product Details Size 20"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 875" width X 19. 875" height. High Quality High quality aluminum with counter sunk screw holes (screws included) and no sharp edges. Design Unrestricted airflow For Your HVAC system noise free components no vibrating louvers etc. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was