24"W X 8"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 25.75"W X 9.75"H] Return R value rating of insulation

R value rating of insulation - R3

you have 16 different varieties to choose from

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+ Product Spec Sheet

24"W X 8"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 25.75"W X 9.75"H] Return R value rating of insulation+ Product Details Size 24"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 75" width X 9. 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.