16"W X 16"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 17.75"H] 18" Diameter /* Darker color for better

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Our innovative adjustable design changes the game

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Red Oak Wood – A true decour upgrade to you HVAC application - adds a touch of warmth & softness to the room

this coil exceeds the required 700 PSI for R410 with a pressure rating of 2300 to 6500 PSI

16"W X 16"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 17.75"H] 18" Diameter /* Darker color for better+ Product Details Size 16"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" width X 17. 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