The DONALDSON Round Cellulose Flame Retardant Primary Air Filter features a flame-resistant design that enhances safety in high-temperature environments. Its round shape ensures efficient airflow and optimal performance. Constructed from cellulose materials, this filter provides superior filtration capabilities, making it ideal for capturing fine dust and particles to improve air quality. It is designed to fit seamlessly in a variety of air intake systems, ensuring versatile application and improved functionality.