●Single filter mask,lightweight;

●Advanced liquid silicone:good fit,soft,comfortable,anti-aging;

●Middle type ,beautiful exterior,better sight,can be used with many kinds of filter boxes;

●Easy to disassemble,clean and use, very tight;

●Ring head belt design is more suitable for wearing safety helmet on operating environment,keep more durable of polyester spandex elastic belt;

●In line with GB 2890-2009 standard,have China LA and QS certifications;

●Package:6set/box,36set/carton.