18" X 6" [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 19.75"W X 7.75"H] Color_Red Oak Wood + Product Details Size –

+ Product Details Size – 8"w X 32"h is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 17 3/4" x 1"

+ Product Details Size - 24"w X 22"h is the size for the duct opening measurement only

+ Product Description Introducing our High-Quality Copper Coil

18" X 6" [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 19.75"W X 7.75"H] Color_Red Oak Wood + Product Details Size –+ Product Details Size 18"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 75" width X 7. 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