16"W X 28"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 29.75"H] Insulated Line Set display = 'none' MFACRA88W1 Condensate Pump Product Details Size 20
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Description
16"W X 28"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 17.75"W X 29.75"H] Insulated Line Set display = 'none' MFACRA88W1 Condensate Pump Product Details Size 20 display = 'none' + Product Details Size 20"w X 12"h is the size for the duct opening measurement only