●Single filter box,lightweight;

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

●Small type silicone mask,exterior compact,good sight. Can be used with many kinds of filter boxes,easy to disassemble and clean;

●Ring head belt design,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:1pcs/box,36pcs/carton.