16"w X 20"h Aluminum Adjustable Return/Supply HVAC Air Grille w18h18 + Product Details Size -

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

+ Product Details Size – 24" Wooden Corner Baseboard Grille

These grilles and registers give you an extra measure of quality that are visible to your family members and house guests

actual front end outer dimensions are approximately 17

3/8" - 4223 PSI

16"w X 20"h Aluminum Adjustable Return/Supply HVAC Air Grille w18h18 + Product Details Size -+ Product Details Size 16"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 85" width X 21. 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