Moldex 3105 air series valved mask offers extremely low breathing resistance and therefore increases performance of both the mask and the wearer. It protects you against toxic dusts, mists and fumes based on water and oil, The filtering surface is almost 3 times larger than a standard filter product allowing you to breath more easily. The nose seal increases comfort Duramesh for optimum shape retention and durability. The ActivForm seal automatically adjusts to different face shapes and the Ventex valve reduce moisture and heat.