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Earplug Noise Reduction Rating

Haggis

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Hi folks.

Does anyone know offhand what the manufacturer and noise reduction rating is for the old orange rubber earplugs is?  These are the ones that came in a clear plastic box with a small chain to attach the box to your pocket, webbing etc.
 

Nfld Sapper

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Lowest bidder comes to mind.... but I think they are LPO......
 

CombatDoc

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Likely a NRR of around 19-21, but I don't have a pair handy to check.  Why do you ask?
 

acen

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http://www.midwayusa.com/product/521156/5ive-star-gear-us-government-issue-ear-plugs-with-plastic-case

Something like this? I've searched for "GI Ear Plug NRR" in the google machine and it has punched out a number of 26, not 100% sure though as it's not a manufacturer spec.
 

Haggis

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NFLD Sapper:  These are the old, old ones issued about 15 years ago.  They last forever.  I'll try to post a photo.

ArmyDoc:  Because I use them at work.  They're extremely comfortable.  My employer is asking the NRR to ensure thet they meet health & safety requirements.  I really don't want to have to give them up for the foam disposable ones.
 

Haggis

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acen said:
http://www.midwayusa.com/product/521156/5ive-star-gear-us-government-issue-ear-plugs-with-plastic-case

Something like this? I've searched for "GI Ear Plug NRR" in the google machine and it has punched out a number of 26, not 100% sure though as it's not a manufacturer spec.

That's them, but with a different case.
 

acen

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http://beta.rothco.com/product-details/796-rothco-gi-earplugs

How about these? NRR of 27
 

Nfld Sapper

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Haggis said:
That's them, but with a different case.

Oh those... bought them a few years ago at the PX at Fort Picket....  but with these http://www.midwayusa.com/product/453211/peltor-indoor-outdoor-range-e-a-r-ear-plugs-nrr-22-db-1-pair?cm_vc=ProductFinding instead of the ones you are talking about....
 

Dirt Digger

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Be advised, those NR ratings are done under laboratory conditions are don't translate 100% to the real world - or at least the shop floor.  The number's usually high.
 

NavyShooter

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http://www.howardleight.com/earplugs/max

Those are about the best I've been able to find around.

NRR of 33.

I did some market research a while ago, tracked these down, and have been using them ever since.

Available through Acklands-Grainger, and any major safety supply store.

NS
 
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