10"w X 6"h [Duct Opening] 2-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] Compatible with Duct 8" Don’t worry

Don’t worry

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

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

Design – Unrestricted airflow For Your HVAC system - noise free components - no vibrating louvers etc

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 10" duct openings

10"w X 6"h [Duct Opening] 2-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] Compatible with Duct 8" Don’t worry+ Product Details Size 10"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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