18"W X 6"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 19.75"W X 7.75"H] Color_White Both lines taped together every

Both lines taped together every 18in for easier handling & installation

Designed for optimal air flow and lasting durability

actual front end outer dimensions are approximately 13

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

+ Product Details Size – 12" x 12" is the size for the duct opening measurement only

18"W X 6"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 19.75"W X 7.75"H] Color_White Both lines taped together every+ Product Details Size 18"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 75" width X 7. 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.