22"W X 36"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 23.75"W X 37.75"H] Adjustable Return Design – Unrestricted airflow for MFACRA88W1 Condensate Pump Product Details Size 20
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Description
22"W X 36"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 23.75"W X 37.75"H] Adjustable Return Design – Unrestricted airflow for MFACRA88W1 Condensate Pump Product Details Size 20 Design – Unrestricted airflow for your HVAC system adjustable one way louver with full horizontal airflow directional control single deflection supply grill with 96% airflow noise free components no vibrating louvers etc 875" height