3405 For protection against fine toxic dusts, mists and fumes, based on water and oil. The washable full face seal and unique pleated filter technology gives you the option of using these masks for more than one shift. Wipe the face seal clean, leaving the mask hygienic for next use. The pleated filter reduces breathing resistance, making this mask extremely comfortable. The DuraMesh structure makes the mask strong and durable, reducing consumption and maintaining shape. Standard: EN149:201 + A1:2009 FFP3 NR D. Supplied in packs of 5.