Long Life, Skin Friendly. Does not Deform in High Temperature. Unique Adjustable Beads- Gives Snug Fit Yet Relieves Strap Pressure. Nose Liner For Comfort & Fit. 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. One Way Exhalation Vent Valve- Provides Breathing Comfort, Promotes Easy Communication, Butterfly Vent Valve. Low Profile Design- Fitting Wide Range Of Face Contours.