3M™ PELTOR™ Optime™ I Gehoorkappen, geel, helmbevestiging, H510P3E 405 GU 3M 4 mm Grit Coarse Shelf 4 mm Grit Coarse Shelf Life in Days 1095 Days Smallest Sellable Unit* Overcase Brand Scotch Brite™ Product Color Black Application Stripping Application Floors Total Width (metric) 305 mm Total Diameter (metric) 505 mm Shape Round Close Arrow Up Icon Recommended Application: Switching Recommended Sector Construction Mining Pharmaceutical Transportation Recommended Application Workplace maintenance Grinding Sanding Welding Assembly Demolition Bluetooth No Communication via external two way radio No Noise Reduction Value 26 dB Noise Reduction Value (HML) H=33 M=24 L=14 Noise Reduction Value (SNR) 26 dB Dielectric No Electrically insulated No External audio input No Hearing protection type Helmet mount Hearing cap style Safety helmet mount Noise canceling headsets Yes Quantity per box 20 Built in FM AM radio receiver No Built in two way radio No Smallest sellable unit* Piece Brand PELTOR™ Product color Yellow Product series Optime Product type Hearing cap Meets specifications EN 352 3:2020 CE Approved Close Arrow Up Icon