16"W X 28"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 29.75"H] Aluminum Works for every air conditioning

Works for every air conditioning & refrigeration application including ductless mini-split

+ Product Details Size - 36"w X 14"h is the size for the duct opening measurement only

3 * insulation density is 30kgs/cbm = 0

Plain Ends - Gives you the freedom to cut and flare at your own project needs

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16"W X 28"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 29.75"H] Aluminum Works for every air conditioning+ Product Details Size 16"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" width X 29. 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