36"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille Material_Aluminum getElementById('hvac-product-accordion')

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Refrigerant - 1/2" White Insulation - 50' Long

and centralized air ducted units

3/8" - 4223 PSI

Efficient Airflow Design: The slots are meticulously angled to diversify airflow in two directions

36"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille Material_Aluminum getElementById('hvac-product-accordion')+ Product Details Size 36"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 37. 85" width X 9. 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