Acoustic ceiling baffle in Working space is designed to be compatible with 12mm and 24mm and 30mm Exposed Tee grid systems. Ensure the baffle is suitable for your selected system and either 12mm or 24mm or 30mm grid size must be specified prior to ordering.can be cut on site to accommodate for new and existing lighting and fixtures. When cutting use a new blade for each cut and ensure the area to be cut is fully supported throughout