24" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES return grille Filter Size - 19

Filter Size - 19

+ Product Details Size – Stick-on collar is 9" and it is compatible with duct 9"

+ Product Details Size – 14"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – The size 30-gauge stick-on collar is 7" and it is compatible with duct 7"

75 Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE PROPERLY

24" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES return grille Filter Size - 19+ Product Details Size 24"w X 36"h is the size for the duct opening measurement only, [Outer Dimensions: 26. 5"w X 38. 5"h] Actual Filter Size 23 3 4"w x 35 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,