12"W X 4"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 5.875"H] Aluminum Adjustable Curved Blade Full Control – Full 190

Full Control – Full 190 degrees control of air direction vertically & horizontally

the second number represents the width

+ Product Details Size - 20"w X 28"h is the size for the duct opening measurement only

border: none

75"H – fits a 16" X 4" duct opening

12"W X 4"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 5.875"H] Aluminum Adjustable Curved Blade Full Control – Full 190+ Product Details Size 12"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 5. 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