3M Optime II H520P3EV protetores auriculares com fixação ao capacete, 31 dB SNR, verde

Helmet-mounted earmuffs with high attenuation, reducing noise by 31 dB (SNR). Compatible with industrial safety helmets featuring P3E attachment.

Advantages

Liquid and foam-filled sealing rings provide a comfortable, secure fit. Electrically insulated (dielectric) construction for use in electrical environments. ABS cups offer durability and impact resistance.

Suitable for

• Heavy industry
• Construction
• Airports
• Agriculture
• Forestry

Key specifications

• Attenuation rating (SNR): 31 dB
• High frequency attenuation (H): 34 dB
• Medium frequency attenuation (M): 29 dB
• Low frequency attenuation (L): 20 dB
• Mounting type: Helmet-mounted (P3E)
• Colour: Green
• Material: ABS cups

Recommendations

Ideal for workers needing reliable hearing protection with helmet compatibility in high-noise environments.