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Low-Profile Dielectric Hearing Protection for North Hard Hats
 Howard Leight Thunder T1H Cap Mounted Earmuffs are designed to fit North hardhats. These hearing protection ear muffs provide the same or higher NRR's as North's hardhat model earmuffs do, but at a lower price-point. The Thunder T1H uses a modern hard hat clip that allows for quick and easy attachment to multiple models of North hard hats. Attaching the ear muffs to the hardhat is a snap. The clips also have a new face shield slot that allows North face shield visors to be connected as well, allowing for a complete, integrated head protection solution.
The Thunder T1H features sleek ear cups with a low profile design. This lets the user preserve good freedom of movement while wearing both ear protectors and head safety gear. The smooth, low profile ear cups also collect less dirt, so the earmuffs stay cleaner for longer, improving hygiene. The cross-linked polyethylene foam ear pads improve comfort, while also maintaining an effective seal against noise. The ear pads themselves are replaceable for efficient and inexpensive maintenance. Height adjustments ensure each worker can get a good, personalized fit, and the Quick-Click system keeps the ear cups properly adjusted. The T1H is lightweight for easy wear.
NRR 23 protection from hazardous noise makes these earmuffs appropriate for a wide variety of industrial applications; Honeywell recommends them especially for the steel and metals, mining, forestry, and construction industries. Howard Leight's patented Air Flow Control™ technology ensures the sound attenuation is always optimal.
Dielectric construction with no metal parts makes these Thunder T1H ear muffs suitable for electric environments.
The Thunder T1H requires Howard Leight hygiene kit no. 1010974.
Regulations and Protocols
- ANSI S3.19-1974 NRR 22dB - Attenuation Test Protocol (US)
- AS/NZS Awaiting test results (AU/NZ)
- EN 352-3 SNR 27dB (EU)
- Z94.2-1994 (CANADA)
- USA - EPA Certified
- Canada- CSA Certified
Howard Leight Part Numbers
- EM2177-HL - red
- EM4157-HL - blue
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