* Activated layer of charcoal built into this mask offers relief from low levels of gases and vapours, often found in conjunction with particulate hazards.* Protects from nuisance levels of acid, ozone and organic gas relief.* FFP3 protection against harmful and carcinogenic dusts, fumes and water/oil based mists/aerosols 20 x WELThe ActiveForm® and comfort nose seal automatically adjusts to different face shapes and movements to give a secure fit.* The Strap and clip allows you to hang the mask around the neck during breaks.* The DuraMesh® shell increases shape retention and durability.* Ventex®-valve reduces moisture and heat inside the mask.