10" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 18in diameter + Product Details Size -

+ Product Details Size - 20"w X 14"h is the size for the duct opening measurement only

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

Quality Packaging - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

Actual Filter Size – 13 3/4"w x 13 3/4" x 1"

+ Product Details Size – 36"w X 8"h is the size for the duct opening measurement only

10" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 18in diameter + Product Details Size -+ Product Details Size 10"w X 10"h is the size for the duct opening measurement only, [Outer Dimensions: 12. 5"w X 12. 5"h] Actual Filter Size 9 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,