14" x 14" - 4-Way Curved Blade Supply Air Grille - Maximum Air Flow 14" Diameter + Product Details Size -

+ Product Details Size - 8"w X 4"h is the size for the duct opening measurement only

order a 14x20

actual front end outer dimensions are approximately 36 5/8" width X 16 5/8" height

Actual Filter Size – 21 3/4"w x 29 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 25" OR 25" X 16" duct opening (measured at the opening)

14" x 14" - 4-Way Curved Blade Supply Air Grille - Maximum Air Flow 14" Diameter + Product Details Size -+ Product Details Size 14"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 15. 75" height. High Quality high quality steel with counter sunk screw holes (screws included) and no sharp edges, equipped with a lever for airflow dampening. Installation Location sidewall and ceiling. Design rigid gauge built for durability and long life in mind, but still light and handy. Powder