Quies Protection Auditive Earplanes Ad 1 Paire
Quies.
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Ceramic filter anti-pressionPrévient the pain of the eardrum
they are reusable 2 or 3 times.
The flexible silicone, they contain a ceramic filter that promotes a gradual exchange of the air for several minutes. The eardrum adapts gradually to the new pressure, and without undergoing a shock.