8"W X 24"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 9.75"W X 25.75"H] w24h24 + Product Details Size – CL 34 12B 35 Product Details Size 6 Extruded Aluminum Ceiling

+ Product Details Size – 10" x 14" or 14" x 10" is the size for the duct opening measurement only

Design – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%

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customize cuts and flares as needed

75" width X 15

8"W X 24"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 9.75"W X 25.75"H] w24h24 + Product Details Size – CL 34 12B 35 Product Details Size 6 Extruded Aluminum Ceiling + Product Details Size – 10" x 14" or 14" x 10" is the size for the duct opening measurement only Design – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%