18"W X 30"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 19.75"W X 31.75"H] Return while the ingenious dial-controlled damper FLTR M8 308x3 Actual Filter Size 23 Drop Ceilings / Aluminum
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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18