Type I 3 Ply Medical Disposable Mask - tnkme ( China ) - Offers to Sell and Export - Friday 5 August 2022 1:36 am - type i 3 ply medical disposable mask en 14683 2019 type i 175x95mm 10 pcs bag 5 bags box the main parameters of the product are shown as below · bacterial filtration efficiency b...