24"w X 24"h Aluminum Adjustable Return/Supply HVAC Air Grille Copper Coil 3 * Insulation density is

3 * Insulation density is 30kgs/CBM = 0

while the ingenious dial-controlled damper empowers you to effortlessly regulate airflow using your foot

+ Product Details Size – 10" X 4" is the size for the duct opening (floor/vent hole) measurement only

Design – Removable face for cleaning and access to damper - wooden damper for airflow shutoff control

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24"w X 24"h Aluminum Adjustable Return/Supply HVAC Air Grille Copper Coil 3 * Insulation density is+ Product Details Size 24"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 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