20"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 21.875"W X 15.875"H] Extruded Aluminum Ceiling This grille is ideal for

This grille is ideal for both sidewall and ceiling installations

+ Product Details Size - 26"w X 6"h is the size for the duct opening measurement only

With four elegant colors and various sizes available

And The Cooler Air From Outside WIll Flow In From The Bottom

20"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 21.875"W X 15.875"H] Extruded Aluminum Ceiling This grille is ideal for+ Product Details Size 20"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 875" width X 15. 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