Photo 1 of 20"W x 16"H Steel Return Air Grilles - Sidewall and Cieling - HVAC Duct Cover - White [Outer Dimensions: 21.75"w x 17.75"h]

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Photo 1 of 20"W x 16"H Steel Return Air Grilles - Sidewall and Cieling - HVAC Duct Cover - White [Outer Dimensions: 21.75"w x 17.75"h]Photo 2 of 20"W x 16"H Steel Return Air Grilles - Sidewall and Cieling - HVAC Duct Cover - White [Outer Dimensions: 21.75"w x 17.75"h]