EP3 Sonic Defender

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EP3 Sonic Defenders® and EP4 Sonic Defenders® Plus protect your hearing, without interfering with your ability to hear routine sounds and conversation. Safe sound levels are allowed to pass through while potentially harmful noises (above 80dB) are reduced via a proprietary design that incorporates the patented Hocks Noise Braker filter. When even more hearing protection is required-without the need to hear routine sounds or conversations-Sound Defenders' attached stoppers can be inserted. The right/left color-coded Sonic Defenders are made from a soft, hypoallergenic polymer and ergonomically shaped, with a multi-flanged stem, providing a comfortable all-day fit. And their low-profile design means they can be worn while wearing a helmet or mask or while using a phone or headset.

EP3 Sonic Defenders® are double-flanged for a proper fit for most people. (See Size Chart)
Medium Size fits most. Size is based on size of the ear's helix.

Measure the distance from the top to the bottom of your ear's Helix Bowl to determine which EarPro earpiece size will best fit your ear. If Helix Bowl is larger than 1 1/8th Inch, the EP4 Sonic Defenders® Plus are triple-flanged for those with larger ear canals.

SMALL = 7/8th INCH
MEDIUM = 1 INCH
LARGE = 1 1/8th INCH

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