产品描述：
3505 Premium Mask
For protection against fine toxic dusts, mists and fumes, based on water and oil. The full face seal provides a safe and secure fit. The unique pleated filter technology reduces breathing resistance and the Ventex-valve minimises heat build-up, making this mask extremely comfortable. The Duramesh structure makes the mask strong and durable, reducing consumption and maintaining shape.
Supplied in packs of 5.
Standard: EN149:201 + A1:2009 FFP3 NR D.
NPF Nominal Protection Factor.
APF Assigned Protection Factor.
Protection Level:
50 x NPF.
20 x APF.