Description

‘Cone’ filters with non-linear attenuation These filters are suitable for various applications and offer a so-called progressive attenuation for the high frequencies.

This filters out harmful sounds, while environmental sounds and speech remain audible. There are 5 variants available, ranging from a low to a very high attenuation level.

Each filter is unique and can be used in different situations. With non-linear attenuation it is possible to use exactly the right filter, so excessive attenuation is avoided.

F8 red filter provide non-linear attenuation. it is suitable for situation such as metal working, motorcycling, industry, etc.