Disposable 3 Ply mask, the inner layer made of the soft facial tissue, which is of premium quality, breathable design, you can still carefree breathing. Each mask is individually packaged. Testing items Type I Test method BFE (%) â?¥95 ISO 10993 Pressure difference (Pa/cm2) 29.4 EN 14683 Hemodialysis (KPa) non ISO 22609 Microbial cleanliness (cfu/g) â?¤30 ISO 11737 1
