8"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 9.75"W X 19.75"H] Compatible with Duct 6" + Product Details Heavy-Duty Steel

+ Product Details Heavy-Duty Steel Construction - Made from 20-gauge steel for superior durability and reliable performance

875" width X 27

Actual Filter Size – 25 3/4"w x 19 3/4" x 1"

providing additional safety and protection for your equipment and surroundings

8"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 9.75"W X 19.75"H] Compatible with Duct 6" + Product Details Heavy-Duty Steel+ Product Details Size 8"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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.