4 Point Connection The 4-point connection distributes the face pressure to four equal parts and reduces the mask feeling on the employee's face. It guarantees tightness and full protection. Headband Made of skin-friendly textile knitted rubber, It does not irritate skin, does not pull hair and facial hair. The rubber band is wide-sized. The headband is colored according to the protection class to facilitate use and control. Filter Material It has ultra thin and light fiber structure. It has high filtration efficiency. Provides low breathing / exhalation resistance. No Metal Parts Metal keeps the heat in hot working environments and transfers it to the employee. The absence of metal prevents the performance of the employee from falling. Metal media may react with contaminants. Metal can cause injury in the event of a work accident. Gorgeous Conical Design It does not require a nose clip with its suitable design for the nose. It adapts to every face structure. Comfort is at the highest level. Due to the bulky conical structure, it provides more