14" x 14" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 17" x 17"] Aluminum Adjustable Curved Blade it effectively prevents unauthorized access

it effectively prevents unauthorized access

Always measure the actual opening in your ceiling or wall

These grilles and registers give you an extra measure of quality that are visible to your family members and house guests

it's a trusted choice for HVAC applications

14" x 14" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 17" x 17"] Aluminum Adjustable Curved Blade it effectively prevents unauthorized access+ Product Details Size Refers to duct opening only. The face frame extends roughly 1. 5" on each side. Do not measure the overall grille for sizing. Design All aluminum frame and back blades. Rustproof and built to last in moisture prone environments. Quiet Airflow Opposing blade damper design reduces vibration and noise for smoother air distribution. Clean Finish White powder coated surface resists chips, scratches, and discoloration over time. Easy