3M Peltor Optime Earmuff, Green/Black, Ear Muff Style: Over the Head, Dielectric: No, 27dB Noise Reduction Rating, Material: ABS, Standards: ANSI S3.19-1974, Applications: For Assembly, Cleaning, Demolition, Electrical, Facility Maintenance, Grinding, Machine Operations, Painting, Sanding, Welding, Ear Cushion: Liquid/Foam Filled Cushion
- Recommended for noise levels up to 101 dB
- Provides attenuation at low and high frequencies
- Stainless steel headband wires with 4-point suspension help distribute cushion pressure evenly
- Liquid foam-filled cushions provide excellent seal and lower pressure
- Two low mounting points provide great comfort