36" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Powder-Coateded + Product Details Size -

+ Product Details Size - 12"w X 6"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 22" duct opening (measured at the opening)

This pure copper tube is not insulated

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Actual Front End Outer Dimensions Are 8" Diameter

36" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Powder-Coateded + Product Details Size -+ Product Details Size 36"w X 10"h is the size for the duct opening measurement only, [Outer Dimensions: 38. 5"w X 12. 5"h] Actual Filter Size 35 3 4"w x 9 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,