10"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 11.75"W X 11.75"H] w14h14 Size - 10"w X 10"h

Size - 10"w X 10"h is the size for the duct opening measurement only

Complies with industry standards of USA: ASTM D-882

With our extensive selection of Grilles

+ Product Details Size - 18"w X 14"h is the size for the duct opening measurement only

75" width X 5

10"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 11.75"W X 11.75"H] w14h14 Size - 10"w X 10"h+ Product Details Size 10"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" width X 11. 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