JSP Springfit FFP3 Disposable Fold Flat Dust Mask 431ml 10 Pack | BGA132-206-000The JSP SpringFit Typhoon 431ml FFP3 mask does not feature a valve which makes it ideal for medical settings where the exhaled breath of the wearer could either contaminate samples or pass on contagions to other people in the area. The unique endoskeleton within the SpringFit Fold Flat mask makes this mask not only comfortable but easy to breathe in as it prevents the mask sucking against the face when inhaling. The head loops are secured at either