36" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES with filter That’s because it’s made from

That’s because it’s made from plastic spray coated aluminum die cast body

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Multi-shutter damper with easy lever for precise airflow control

Actual Filter Size – 9 3/4"w x 11 3/4" x 1"

+ Product Details Size - 20"w X 24"h is the size for the duct opening measurement only

36" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES with filter That’s because it’s made from+ 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,