16"w X 6"h Aluminum Adjustable Return/Supply HVAC Air Grille Copper Coil-Insulated Line Set the decorative Victorian grill

the decorative Victorian grill

If your hole is 14" wide by 20" tall

Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 4

75" width X 11

16"w X 6"h Aluminum Adjustable Return/Supply HVAC Air Grille Copper Coil-Insulated Line Set the decorative Victorian grill+ Product Details Size 16"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 85" width X 7. 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