The UCair Disposable FFP3 Fold Flat Mask with Exhalation Valve is fully UK certified to EN149:2001 +A1:2009, with an adjustable nose bridge and foam seal. The mask has colour co-ordinated straps for easy workplace identification as well as a space saving fold flat design and individual packaging. Available in a valved version only to reduce heat build up within the mask for greater worker acceptance. A premium mask for more demanding applications.