A variety of commercial masks, left to right: FFP3 industrial dust mask, T32610-2016 surgical-style mask, very cheap unrated single layer dust mask. If you have a supply of the top-spec medical ...

The air masks are definitely effective, especially when it comes to N95 or FFP2/FFP3 masks ... of potential irritants such as pollen, dust, industrial gasses etc. and thus reducing the risk ...

The Royal College of Speech and Language Therapists (RCSLT) in NI said staff should be given an FFP3 dust mask The Royal College of Speech and Language Therapists in NI say they are facing an ...