16" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Material_Polished Aluminum Dimensions With Outer End are Drop Ceilings / Aluminum The set includes a FG1836 HP-1

Dimensions With Outer End are 19

+ Product Details Size – 10"w X 14"h is the size for the duct opening measurement only

} + Product Details Size & Compatibility - The size of a boot register end is 10" X 4" X 7" galvanized floor boot end center 26-gauge

actual front end outer dimensions are approximately 22 5/8" width X 22 5/8" height

+ Product Details Size – The size of 8" straight saddle stick on take-off is 10"/12" and it is compatible with duct 8"

16" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER EASY AIRFLOW LINEAR BAR GRILLES Material_Polished Aluminum Dimensions With Outer End are Drop Ceilings Aluminum The set includes a FG1836 HP 1 Dimensions With Outer End are 19 + Product Details Size – 10"w X 14"h is the size for the duct opening measurement only