20" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Contempo Decorative Grate + Product Details Size –

+ Product Details Size – 28"w X 28"h is the size for the duct opening measurement only

These are airflow control components made to connect to supply grilles of the drop ceiling

+ Product Details Size - The listed 6" diameter refers specifically to the size of the duct opening

positioning supply and return grills accordingly

and animals

20" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Contempo Decorative Grate + Product Details Size –+ Product Details Size 20"w X 6"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 8. 5"h] Actual Filter Size 19 3 4"w x 5 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,