10"w X 4"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 5.75"H] Color_Anodized Aluminum Actual Filter Size – 23

Actual Filter Size – 23 3/4"w x 23 3/4" x 1"

Installation Location – Sidewall and ceiling

Built-In Locking System – Comes with a permanently attached eight-tumbler lock and a supplied key for added security

actual front end outer dimensions are approximately 22 5/8" width X 14 5/8" height -

10"w X 4"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 5.75"H] Color_Anodized Aluminum Actual Filter Size – 23+ Product Details Size 10"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" width X 5. 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