Honeywell Sperian® Thunder T1®H Helmet Earmuff, Green, Ear Muff Style: Cap-Mounted, Dielectric: Yes, 25dB Noise Reduction Rating, Standards: ANSI S3.19-1974, Canada Class AL, Applications: Dielectric Construction Suitable For Electrical Environments, For Use With: Hardhats
- Dielectric construction suitable for all workplaces, especially electrical environments
- Patented air flow control technology, delivering optimal attenuation across all frequencies without increasing earcup size or weight
- Uniform headband pressure for all head sizes, providing better comfort for long-term wear
- Non-deforming outer headband withstands rough treatment in the toughest workplaces
- Quick-click height adjustment remains fixed during wear
- Snap-in ear cushions make replacement quick and easy
- Inner-ventilated headband minimizes pressure on the head, breathes easier in warm/humid climates [T2 and T3 only]