24" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 20 Feet Long + Product Details Size –

+ Product Details Size – 20" x 22" or 22" x 20" is the size for the duct opening measurement only

Insect screen can be specified

Built to last

75"H – fits a 14" X 6" duct opening

24" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 20 Feet Long + Product Details Size –+ Product Details Size 24"w X 18"h is the size for the duct opening measurement only, [Outer Dimensions: 26. 5"w X 20. 5"h] Actual Filter Size 23 3 4"w x 17 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,