36"W X 34"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 35.75"H] w16h16 align-items: center

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Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 4

Powder-Coat Finish – Never rust

Foot Operated Opposed Blade Damper For Full Air Flow Control And Shutoff

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36"W X 34"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 35.75"H] w16h16 align-items: center+ Product Details Size 36"w X 34"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 37. 75" width X 35. 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