1. Eye protection: double filter to avoid harmful ultraviolet and infrared radiation generated by arc, and damage to eyes caused by welding strong light, to prevent electro-optic ophthalmia.2. Face protection: Effectively prevent splashes and harmful bodies from work on the face and reduce the occurrence of skin burns.3. Respiratory protection: The airflow guide can effectively reduce the harmful gas and dust released by welding to the body and prevent the occurrence of pneumoconiosis occupational disease.