The Garland CK4522266 Range Open Top Air Shutter helps regulate airflow to support proper burner performance and efficient combustion in commercial cooking equipment. Designed with a 2-1/2-inch outer diameter and 1/2-inch inner diameter inlet, this component includes a screw and washer for secure installation and adjustment. It works by controlling the amount of air mixed with gas bef... https://partsfe.ca/air-shutter-open-topkit-for-garland-part-ck4522266