8" X 8" Outdoor Return Air Grille – For Outdoor Use - HVAC Vent Duct Cover Diffuser – [1.0mm Polished Aluminum] [Outer Dimensions: 9.75w X 9.75h] w18h18 actual front end outer dimensions

actual front end outer dimensions are 35

These are airflow control components made to connect to supply grilles of the drop ceiling

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+ Product Details Size – 26"w X 34"h is the size for the duct opening measurement only

+ Product Description Ventilate your home or commercial space with our Aluminum Outdoor Weatherproof Louvers

8" X 8" Outdoor Return Air Grille – For Outdoor Use - HVAC Vent Duct Cover Diffuser – [1.0mm Polished Aluminum] [Outer Dimensions: 9.75w X 9.75h] w18h18 actual front end outer dimensions8" X 8"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 9. 75 Width X 9. 75 Height SEE IN DESCRIPTION HOW TO MEASURE A GRILLE PROPERLY Why HVAC Premium? You may think of grilles and registers as a generic component of the ventilation system in your house. But they are also the most visible representation of you air system. With HVAC Premium you get an extra measure of quality that will be visible to your