- The damping value of high-frequency sounds

you won't have a ringing or buzzing in your ears after a long ride

which is ideal in environments with a high risk of electrostatic discharges

Details include a bib pocket with zip

Sundstrøm SR-217 A1 Faste partikler - The damping value ofSundstrm SR 217 A1 Sundstrm SR 217 A1 is a class 1 gas filter specially designed for use with Sundstrm half and full masks. The filter is of type A and provides effective protection against organic gases and vapors, such as solvents, with boiling points above 65 C. This gas filter can easily be combined with the particle filter SR 510 P3 R to obtain extra protection against aerosols (particles), for example when spraying paint. The filter is