34"W X 30"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 35.75"W X 31.75"H] Material_Aluminum Installation Location – Ceiling MFACRA88W1 Condensate Pump Product Details Size 20
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Description
34"W X 30"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 35.75"W X 31.75"H] Material_Aluminum Installation Location – Ceiling MFACRA88W1 Condensate Pump Product Details Size 20 Installation Location – Ceiling + Product Details Size 10"w X 26"h is the size for the duct opening measurement only