14"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 7.75"H] Powder-Coat Actual Filter Size – 31

Actual Filter Size – 31 3/4"w x 11 3/4" x 1"

Simplified Installation: Our Radial Damper ensures easy setup

ensuring your space stays dry and secure

These are specially sized to fit into all drop ceilings

14"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 7.75"H] Powder-Coat Actual Filter Size – 31+ Product Details Size 14"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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