PMMA Protective Mask Attached for safety helmets and bump caps. Used in cutting ,grinding ,and mechanical industry PMMA Protective MaskMaterial:aluminum alloy,metallic spring,face shield made of PMMACharacter:connect with safety helmet by spring buckle,interchangeable movable,protect head and face.Application:dangerous situation with splash as chips,liquid,chemical melt and etcConform to GB14866- ...
