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 It has an outer surface Product Details Perfect Fit LO612 Compatible With Duct 12in

It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

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and slashes energy costs

you have 16 different varieties to choose from

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

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 It has an outer surface Product Details Perfect Fit LO612 Compatible With Duct 12in It has an outer surface made of high quality aluminum foil and an inner surface made of metalized PET with inside high tensile spring steel wire } * TEXT STYLING * #hvac product accordion