2097 filter suits 6000, 7000, 6200, 6800 and FF-400 series respirators. As a matched accessory, it must be mounted onto respirators for valid operation. Adopting multi-layer composite structure, the filter traps harmful particles effectively while ensuring unobstructed breathing airflow. Suitable for construction, metal grinding, stone machining, ceramic crafting, powder processing, wall painting, woodworking and other industrial operations. This filter does not supply oxygen. Refrain from use in spaces with oxygen level lower than 19.5%. Wear standard protective gear at all times. Feel free to reach out for any product inquiries. We offer timely assistance to settle your issues efficiently.