12"w X 24"h Aluminum Adjustable Return/Supply HVAC Air Grille Material_Aluminum textContent = '+'

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This simple adjustment reduces HVAC strain

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Works for every air conditioning & refrigeration application including ductless mini-split

We carry sizes the big box stores don't

12"w X 24"h Aluminum Adjustable Return/Supply HVAC Air Grille Material_Aluminum textContent = '+'+ Product Details Size 12"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 85" width X 25. 85" height. High Quality Rigid aluminum construction with counter sunk screw holes (screws included) and no sharp edges. Installation Location Sidewall and ceiling. Design Unrestricted airflow for your HVAC system adjustable one way louver with full horizontal airflow directional control single