HE particulate filter can be "stacked" onto 3M(TM) Adflo(TM) Cartridge (not included) for additional protection against organic vapor/SD/CL/HC vapors
Flip-up assembly for grinding and prep work
Audible and visual alarms signal low airflow and low battery charge
Adjustable head suspension for increased comfort, helmet stability and weight distribution
Auto-Darkening Filter not included - Compatible with 3M (TM) Speedglas (TM) Auto-Darkening Filters 9100V / 9100X / 9100XX
Storage bag and welding cap included
Charger not included