Model Number:P811 Standard:EN149:2001+A1:2009 Filter Rating:FFP1 NR Layer:3plys,Double punched cotton/Filter/Double punched Cotton Earloop:7mm PolyesterBand Nose Pad:PU NoseClip:Foil Product Type:Dust and other Particles Size:L Package:20PCS/BOX,20BOX/CTN CTN size:67X30X40CM