14"w X 12"h Aluminum Adjustable Return/Supply HVAC Air Grille Color_R-4.2 Yellow the second number represents the

the second number represents the height

+ Product Details Size – 8" x 20" or 20" x 8" is the size for the duct opening measurement only

background-color: #000

85" width X 13

14"w X 12"h Aluminum Adjustable Return/Supply HVAC Air Grille Color_R-4.2 Yellow the second number represents the+ Product Details Size 14"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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