14" X 14" [Duct Opening] 4-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 15.75"H] return filter Actual Filter Size – 25

Actual Filter Size – 25 3/4"w x 5 3/4" x 1"

+ Product Details Size - 12"w X 18"h X 2"d (for duct opening measurement only)

Easy Installation – Comes with all necessary installation screws for a quick and hassle-free setup

+ Product Details Size - 16"w X 34"h is the size for the duct opening measurement only

Actual Front End Outer Dimensions Are 42" Width X 18" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

14" X 14" [Duct Opening] 4-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 15.75"H] return filter Actual Filter Size – 25+ 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 easy airflow adjustment and dampening. Airflow Control Adjustable airflow lever allows precise control over the direction and volume of air. Installation