Long Life, Skin Friendly. Does not Deform in High Temperature. Unique Adjustable Beads- Gives Snug Fit Yet Relieves Strap Pressure. Sewn Adjustable Double Elastic. FFP2 Level Protection. Elastic Sewed Outside Filter Area-No Leakage. No Puncture on Filter. Nose Clip: Aluminium Clip For Snug Fit. Textile elastic head bands with adjuster and an exhalation valve. Contribute to the wearer comfort in tough working conditions. Assure comfort and valve to the wearer. Low Profile Design- Fitting Wide Range Of Face Contours.