12"w X 12"h [Duct Opening] 3-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H] Powder-Coated this thermostat guard is the

this thermostat guard is the perfect solution for safeguarding your temperature controls

The process is intuitive: simply select the appropriate ceiling square for your grill

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 6" duct opening (measured at the opening)

Actual Filter Size – 23 3/4"w x 33 3/4" x 1"

screws same color as vent cover

12"w X 12"h [Duct Opening] 3-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H] Powder-Coated this thermostat guard is the+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 13. 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