Provide 304 multi function mask

the bracket is suitable for a variety of helmets, There are four kinds of visual adjustment, which are connected with the safety helmet through the spring hoop;
the bracket has three kinds of materials: all aluminum, all ABS material, foreign aluminum inner ring nylon material;
face screen: Polycarbonate (PC) material;
Color: transparent, gray, Tan;
thickness: 1 mm, 1.5 mm, 2.0 mm;
impact resistance, acid resistance, alkali resistance, high temperature resistance 130 degrees, multi-functional Operation;
PVC material, transparent, 1mm thickness, common use, economical;
surface specification: 20x40cm, special specification can be customized;
Application: used in dangerous places such as splashing debris, liquid, chemicals and molten metal on eyes and face, radiant heat and strong light.
Panel material: Polycarbonate (PC)