12" x 12" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 3-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 15" x 15"] w10h10 unrestricted airflow with a precise

unrestricted airflow with a precise 50° angled design

Multi-shutter damper with easy lever for precise airflow control

Designed for versatility

making it an ideal choice for both masonry and stud wall installations

actual front end outer dimensions are approximately 26 5/8" width X 22 5/8" height

12" x 12" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 3-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 15" x 15"] w10h10 unrestricted airflow with a precise+ 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