24"W X 4"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 25.75"W X 5.75"H] Supply Grille But they are also the

But they are also the most visible representation of you air system

This thoughtful design ensures optimal air circulation for your HVAC system

offering a shiny

Design – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%

By means of the smooth surface

24"W X 4"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 25.75"W X 5.75"H] Supply Grille But they are also the+ Product Details Size 24"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 75" width X 5. 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.