u2g (original packaging)(U2K（原包装）) u2w (original packaging)(U2W（原包装）)

a pair of filter elements (2)(过滤芯一对（2个）) filter core pair + filter thick cotton 100 pieces(过滤芯一对＋过滤厚棉100片) filter core pair +7.2cm static cotton 100 pieces(过滤芯一对＋7.2cm静电棉100片) one pair of filter core +100 pieces of reinforced gauze cotton(过滤芯一对＋加强纱布棉100片) filter core pair + carbon plate 100 pieces(过滤芯一对＋炭片100片) filter core pair + yellow imported cotton 100 pieces(过滤芯一对＋黄色进口棉100片) filter core pair +95 grade filter cotton 100 pieces(过滤芯一对＋95级过滤棉100片) one pair of filter core + cellucotton pieces of carbon(过滤芯一对＋含碳纤维棉100片) one pair of filter core + two pairs of fireproof cover(过滤芯一对＋防火盖二对) filter core pair + original sweat spreads pieces(过滤芯一对＋原装吸汗布一个) filter core pair + domestic sweat spreads 4(过滤芯一对＋国产吸汗布4个) one pair of filter core + one original cloth headband(过滤芯一对＋原装布头带一根) one pair of filter core + one original plastic headband(过滤芯一对＋原装塑头带一根) one pair of filter core + two domestic cloth headbands(过滤芯一对＋国产布头带二根) one pair of filter core + two domestic plastic headbands(过滤芯一对＋国产塑头带二根) one pair of filter core +10 pairs of washable earplugs(过滤芯一对＋可水洗耳塞10对)