цикл слоя pm 2.циклический фильтр 5 маска пылезащитный сердечник замена маски только ahpd qa

please be kindly noted,the listed product is produced and distributed abroad and subject to the laws of its country of origin. 50pcs 3 layer disposable face 50 100pcs replacement ing mask respiring mat for kf94 n95 kn95 mask cycling masks features: top steel wire, adjust to fit your nose better. comfortable and breathable to wear. perfect for daily use,outdoor life,cycling,running etc.