25" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE Victorian Floor Registers and the second number represents

and the second number represents the height

this easy-to-install grille fits seamlessly into any standard return filter opening

actual front end outer dimensions are approximately 29

+ Product Details Size - 10"w X 10"h Is The Size For The Duct Opening Only

+ Product Details Size – 28"w X 16"h is the size for the duct opening measurement only

25" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE Victorian Floor Registers and the second number represents+ Product Details Size 25"w X 12"h is the size for the duct opening measurement only, [Outer Dimensions: 27. 5"w X 14. 5"h] Actual Filter Size 24 3 4"w x 11 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,