Uvex 8707 333 silv air e 7333 ffp3 mask 3pk uvex 8707 333 p this ffp3 mask from uvex has been manufactured to a high standard with a design that allows it to fit the face perfectly the ergonomic design is specifically based on the shape of the nasal area and ensures a pressure free comfortable fit even when the mask is worn for extended periods the skin friendly flexible material with comfortable all round sealing lip effectively enables the mask to be individually fitted to the face