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Mass (g/piece) 1.75
NRR Value 22
Code Available (560 mm)
JIS Standard JIS T8161 EP-1 (CLASS 1)
Size One Size Fits All
Material POLYVINYL CHLORIDE (PVC)
TRUSCO Part Number 344-7243
Specification JIS T8161 EP-1 (CLASS 1) COMPLIANT
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3 Customer Reviews
The reviews are automatic translation.
When you are concerned about metallic sounds in the workplace
On 2015-10-12 09:41:34
Even if I use this product I can watch a little worried about the effect of ear plugs because I can talk.
On 2014-08-01 08:19:39
Fit feeling is also good easily washable, both price and performance are a passing point.
When air blowing
On 2013-11-28 21:00:23
Good with strings. It is easy to hear. Dirt resistant. I think sounds are better to prevent high sounds. I started using it for the first time since I bought a lot, so I can not compare with other earplugs yet this evaluation.
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