Designed for use with cartridges to help protect against certain gas and vapors, combined with filters for protection against particulates. Rugged, durable faceshield with premium visor helps protect against sparks and debris. Heavy-duty belt is designed with airflow channels, multiple size adjustments and belt extender options. Designed with intuitive, colored touchpoints for ease of use. Visual, vibratory, and audible low flow indicators. Multi-speed blower functions up to 16,000 feet. High capacity battery offers long run time, less charge time and reduced down time.