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3M™ PELTOR™ Optime™ II Ωτοασπίδες, 31 dB, Πράσινες, Στέκα Στήριξης Κεφαλής, H520A-407-GQ – Papaioannidis
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3M, Optime III H540A, industrial anti-noise earmuffs, ear protectors, foam earmuffs, noise reduction plugs, ideal for sleeping, hunting, studying - AliExpress
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3M™ PELTOR™ Optime™ III Headband Format Earmuff H540A, Black and Red, SLC₈₀ 33dB (Class 5), 10 ea/Case | 3M Australia
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