.SOLIDA Type IIR 4 layer Disposable Facemask provides high quality and comfortable protection for a broad range of applications.Tests conducted by Nelson Lab. USA* have proven over 99.8% viral and bacterial filtration efficiency.Tests conducted by VICLAB Australia* achieved level 1, 2 and 3 Barrier Differential pressure requirements (A 4381:2015 14683:2014).Tests conducted by VICLAB Australia achieved level 1, 2 and 3 Barrier Resistance to penetration by synthetic blood requirements (ISO 22609, AS 4381:2015).DisposableGreenFour layers of protection:First Layer: PP SpunbondSecond Layer: MeltblownThird Layer: ThermalbondFourth Layer: PP Spunbond