12" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 8in diameter + Product Details Size -

+ Product Details Size - 4"w X 34"h is the size for the duct opening measurement only

+ Product Details Size – 8" x 14" or 14" x 8" is the size for the duct opening measurement only

+ Product Details Size - The listed 5" diameter refers specifically to the size of the duct opening

6" width X 13

compatible with duct 8"

12" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 8in diameter + Product Details Size -+ Product Details Size 12"w X 8"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 10. 5"h] Actual Filter Size 11 3 4"w x 7 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,