16" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 14in diameter actual front end outer dimensions

actual front end outer dimensions are approximately 30 5/8" width X 32 5/8" height

+ Product Details Size – The size 30-gauge stick-on collar is 4" and it is compatible with duct 4"

actual front end outer dimensions are approximately 38 5/8" width X 38 5/8" height -

Heavy Gauge Steel

actual front end outer dimensions are approximately 13" width X 13" height -

16" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 14in diameter actual front end outer dimensions+ Product Details Size 16"w X 24"h is the size for the duct opening measurement only, [Outer Dimensions: 18. 5"w X 26. 5"h] Actual Filter Size 15 3 4"w x 23 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,