30"w X 12"h Aluminum Adjustable Return/Supply HVAC Air Grille Powder-Coat + Product Details Size –

+ Product Details Size – 20"w X 10"h is the size for the duct opening measurement only

This grille has a high standard of design

actual front end outer dimensions are approximately 8

R value rating of insulation - r3

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30"w X 12"h Aluminum Adjustable Return/Supply HVAC Air Grille Powder-Coat + Product Details Size –+ Product Details Size 30"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 85" width X 13. 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