36"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille Material_Aluminum accordion-header h3 { margin: 0

accordion-header h3 { margin: 0

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

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

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

36"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille Material_Aluminum accordion-header h3 { margin: 0+ 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