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EP3 Sonic Defenders protect your hearing without interfering with your ability to hear routine sounds or conversations. Their double-flange-stem design fits most people and provides a Noise Reduction Rating (NRR) of 24dB. Sounds, at safe levels, are allowed to pass through into the ear canal, while potentially harmful noises (above 85dB) are reduced via a proprietary design that incorporates a special noise-reducing filter. EP3s include attached stopper plugs, which can be inserted for further protection and blocking out lower-level noise, like that heard on a plane, where hearing ambient sounds or conversations isn't critical. The right/left color-coded Sonic Defenders are made from a soft but durable, hypoallergenic polymer and are ergonomically shaped, with an adjustable-stem design, providing a secure fit, all-day comfort, and extended product life (3 to 6+ months, depending on usage and care). And their low-profile design means they can be worn while wearing a helmet or mask, or while using a phone or headset. Available in clear, black, or orange.
EP3s are available in small (S), medium (M), and large (L). Proper size is based on the dimensions of your ear's concha bowl. Size "medium" fits most people; however, to ensure the best possible fit, review the earpiece sizing chart below.
For best fit, click on the small Sizing Chart image below.
EP3 Sonic Defenders are sold as a single left/right set or in a box containing 25 sets. Each set is packaged in a convenient carry case and includes a polymer lanyard.
| Noise Reduction Rating |
24dB (with stoppers inserted) |
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| Size |
S, M, L |
| Color |
Black, Clear, Orange |
| Filter |
Yes |
| Stem |
Double Flanged |
| Included Lanyards |
Removable |
| Radio Comm Compatible |
Yes |
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Features
- 24dB Noise Reduction Rating (NRR) with stoppers inserted
- Lowers potentially dangerous noise levels above 85dB
- Hear safe sound levels (with stoppers out) as if you weren't wearing ear plugs
- EarLock™ by SureFire® retention ring utilizes
seven contact points to lock earpiece in place and fit the same way
every time; soft, double-flange stem provides secure seal and all-day
comfort.
- Made from hypoallergenic, medical-grade polymer that's soft, durable, and long-lasting
- Low-profile design allows you to keep them in place while wearing a
mask, helmet, hat, or while using phone, headphones, or supplemental
hearing muffs
- Serve as earpieces for SureFire Hearing Protection and other compatible* radio comm systems
- Available in clear, black, or orange
- 26" polymer lanyard included
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ear plugs 
