25" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE 6" Diameter + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 18" OR 18" X 16" duct opening (measured at the opening)

actual front end outer dimensions are approximately 14 5/8" width X 14 5/8" height

Our coils have a very high PSI burst pressure

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 28" OR 28" X 14" duct opening (measured at the opening)

+ Product Details Size & Compatibility – The size of the wall angle register boot is 10" X 4" X 7" and it is compatible with duct 7"

25" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE 6" Diameter + Product Details Perfect Fit+ 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,