28" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Compatible With Duct 10in you would have to take

you would have to take apart a portion of the system

these louvers are built to last

With a 4-inch size

it’s ideal for both residential and commercial applications

+ Product Details Size – 10"w X 30"h is the size for the duct opening measurement only

28" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Compatible With Duct 10in you would have to take+ Product Details Size 28"w X 14"h is the size for the duct opening measurement only, [Outer Dimensions: 30. 5"w X 16. 5"h] Actual Filter Size 27 3 4"w x 13 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,