20" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES white + Product Details Size –

+ Product Details Size – 34"w X 22"h is the size for the duct opening measurement only

75"H – fits a 16" X 6" duct opening

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 14" X 4" X 8"

actual front end outer dimensions are approximately 21 5/8" width X 31 5/8" height

+ Product Details Size - 36"w X 4"h is the size for the duct opening measurement only

20" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES white + Product Details Size –+ Product Details Size 20"w X 10"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 12. 5"h] Actual Filter Size 19 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,