30"w X 14"h Aluminum Adjustable Return/Supply HVAC Air Grille Color_White + Product Details Size –

+ Product Details Size – 4"w X 14"h is the size for the duct opening measurement only

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

flex-shrink: 0

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

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30"w X 14"h Aluminum Adjustable Return/Supply HVAC Air Grille Color_White + Product Details Size –+ Product Details Size 30"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 85" width X 15. 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