18" X 6" [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 19.75"W X 7.75"H] Aluminum Bar actual front end outer dimensions Compatible with Duct 4" RG1612AL actual front end outer
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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16