Troffers are rectangular light fixtures commonly used in commercial and institutional settings, such as offices and schools. They are designed to fit into the standard ceiling grid, providing a clean and uniform appearance. Troffers typically use fluorescent or LED bulbs, offering energy-efficient lighting solutions. These fixtures come in various sizes and configurations, allowing for flexibility in design and functionality. Troffers can be equipped with different types of lenses to control light distribution and reduce glare. Their versatility makes them a popular choice for illuminating large spaces while maintaining a comfortable environment for occupants.