18"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille Color_R-8.0 Pink our grill boasts an impressive

our grill boasts an impressive 96% airflow capacity

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Design – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%

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

18"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille Color_R-8.0 Pink our grill boasts an impressive+ Product Details Size 18"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 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