12"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 19.75"H] Material_Copper please note that the total

please note that the total outer dimensions of the grille measure 16" in diameter

Beyond installation

+ Product Details Size – 20"w X 10"h pleated MERV 8 filter for HVAC return filter grille - 3 Pack

+ Product Description If you are looking for a good quality Galvanized Steel Duct to enhance your project look no further than HVAC Premium

boasting a purity of 99

12"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 19.75"H] Material_Copper please note that the total+ Product Details Size 12"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 19. 75" height. Design Easy unrestricted airflow for your HVAC system 50 angled to provide maximum airflow. High Quality Solid stamped steel with counter sunk screw holes (screws included) and no sharp edges. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just