40"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 41.75"W X 21.75"H] w18h18 strong aluminum construction with smooth FLTR M8 308x3 Actual Filter Size 23 Drop Ceilings / Aluminum
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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19