Long life, skin friendly. Light weight, greater work comfort, suits long duration of wear. Does not deform in high temperature. Unique adjustable beads- gives snug fit yet relieves strap pressure. Stitched adjustable double elastic. FFP2 level protection. Elastic sewed outside filter area-no leakage, no puncture on filter. Nose Clip: aluminium clip for snug fit. Low Profile Design- Fitting Wide Range Of Face Contours. Aluminium Clip For Snug Fit. Latex Free Knitted Textile Elastic- Long Life. Skin Friendly, Does not Deform in High Temperature. Unique Adjustable Beads- Gives Snug Fit Yet Relieves Strap Pressure. Filtering Efficiency: More than 94 %. Nose Clip: Yes. Filtration Class: FFP2.