10" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Height_12in /* more vertical + left

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+ Product Details Size - 8"w X 10"h X 2"d (for duct opening measurement only)

Ensure the pump is properly secured to the mounting surface

10" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Height_12in /* more vertical + left+ Product Details Size 10"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 12. 5"w X 22. 5"h] Actual Filter Size 9 3 4"w x 21 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,