10"W X 16"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 11.75"W X 17.75"H] Copper Coil Actual Front End Outer Dimensions 10in diameter 75 Plenum Box Depth 1267FLR90

Actual Front End Outer Dimensions Are 3

Produced in accordance with ISO 9001-2008 Quality Management System

+ Product Details Size – 10" X 2" is the size for the duct opening (floor/vent hole) measurement only

+ Product Details Size - 30"w X 18"h is the size for the duct opening measurement only

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10"W X 16"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 11.75"W X 17.75"H] Copper Coil Actual Front End Outer Dimensions 10in diameter 75 Plenum Box Depth 1267FLR90 Actual Front End Outer Dimensions Are 3 Produced in accordance with ISO 9001 2008 Quality Management System