6"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 7.75"W X 19.75"H] w12h12 Tough reinforced metallized polyester jacket

Tough reinforced metallized polyester jacket - tear and puncture resistant

+ Product Details Size - 16"w X 12"h is the size for the duct opening measurement only

providing a stylish and practical solution for ventilation

and the second number represents the height

6"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 7.75"W X 19.75"H] w12h12 Tough reinforced metallized polyester jacket+ Product Details Size 6"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 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 waxed.