30"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 31.75"W X 21.75"H] w24h24 Designed for optimal air flow 4 X 12 Is CRFG2028 Width_14in

Designed for optimal air flow and lasting durability

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and waste gases transmission lines

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

+ Product Details Size – 6" x 24" or 24" x 6" is the size for the duct opening measurement only

30"W X 20"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 31.75"W X 21.75"H] w24h24 Designed for optimal air flow 4 X 12 Is CRFG2028 Width_14in Designed for optimal air flow and lasting durability } * MORE SPACE BETWEEN ACCORDIONS * #hvac product accordion