1) Maintenance free gas masks 2) Latex-free synthetic rubber head strap 3) Staple free optional 4) Contour design ensures com

(1)Materials:                                                 1st layer: 40g PPnon-woven                                2nd layer:100g needlepunchedcloth                        3rd layer: 60gFFP2 meltblown                               4th layer: 30g PPnon-woven  (2) Feature:* 4-ply composition, reliable protection* High bacteria filtration efficiency, help fight with H1N1 swine fluvirus or similar.* Hygenic,safe to wear, maintenance-free* Adjustable nosepiece, ensures comfortable wearing* Factory price, super quality* OEM production acceptable(3) Package:20pc/box, 160pcs/ctncarton size:67*31*31cm, G.W.:2.8KG

gas masks