Cord earmuffs Bilsom 304L, polyurethane foam, SNR 33

HONEYWELL Bilsom 304L earmuffs. The silencers are made of polyurethane foam. They are designed for single use, and the cord ensures their reliable attachment to the nape.
Foam ear muffs guarantee noise reduction /SNR/ up to 33db. Earplugs have a smooth surface that does not allow the accumulation of dust or other substances on their surface.