36" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 7" Round Duct Pipe 5" width x 11

5" width x 11

actual front end outer dimensions are approximately 38 5/8" width X 32 5/8" height -

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36" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 7" Round Duct Pipe 5" width x 11+ Product Details Size 36"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 38. 5"w X 22. 5"h] Actual Filter Size 35 3 4"w x 19 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,