Surgical mask, protective mask and medical mask follows different standard: Model: Sterile & Non-Sterile Material: Outer layer - Fluid resistant blue nonwoven fabric , Middle filter layer - Melt-blown filtering nonwoven fabric , Inner layer â??Breathable, non-irritating ,soft skin friendly nonwoven fabric. Size: 175mmx95mm Types:: 1.Protective mask: Standard: GB/T32610-2016, PFE=>99%(I)-90%(III) For daily public protection. 2 Surgical mask: Standard: YY0469-2011, PFE=>30%, BFE=>95% For surgical usage. 3. Disposable medical mask: Standard: YY/T0969-2013. CE, EN14683, BFE=>95%, For medical usage 4. Medical protective mask: Standard: GB19083-2010, EN149:2001,FFp2, PFE=>95(I)-99.97%(III) More details at: https://www.francee.xyz/protective-mask-singapore-supplier https://www.francee.xyz/singapore-kn95-n95-mask-supplier Different standard comes for USA, EU and others with some overlap. Please list detail requirement while contact us for updated info direct from the medical mask, surgical mask, protective mask supplier, distributor and wholesaler.