10"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] Grilles + Product Details Size -

+ Product Details Size - 18"w X 32"h is the size for the duct opening measurement only

Removable core for access to optional damper

7/8" Insulated Copper Coil Line - Seamless Pipe Tube for HVAC

undisturbed airflow

+ Product Details Size - 14"w X 30"h is the size for the duct opening measurement only

10"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] Grilles + Product Details Size -+ 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