28"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 29.75"W X 19.75"H] Floor Grille + Product Details Size -

+ Product Details Size - 16"w X 25"h is the size for the duct opening measurement only

1/2” - 3119 PSI

875" width X 11

The grille features counter-sunk screw holes that prevent paint from peeling during installation

+ Product Description This aluminum flex duct is intended to be used in heating

28"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 29.75"W X 19.75"H] Floor Grille + Product Details Size -+ Product Details Size 28"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 75" width X 19. 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