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Mack's Slim Fit Soft Foam Earplugs, Purple 7 pairs

 
suggested: $5.99
our price: $3.49
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Provides Maximum Comfort for Small or Sensitive Ear Canals
#1 Doctor Recommended Brand

Mack's Slim Fit™ Soft Foam Earplugs Includes:

  • Mack's Slim Fit™ Soft Foam Earplugs 7 Pairs
  • Free case

Noise Reduction Rating 29 Decibels (When Used As Directed)

The range of noise reduction ratings for existing hearing protectors is approximately 0 to 30
(High numbers denote greater effectiveness)

(586)-427-7560
Made in USA

Warnings

Improper fitting will reduce effectiveness, which could result in hearing loss or injury.
Remove earplug slowly with twisting motion to gradually break the seal.  Rapid removal may damage eardrum.
Keep away from infants, small children and pets.  These earplugs are non-toxic, but may interfere with breathing if caught in windpipe, which could lead to serious injury or death.  Recommended for ages 7 and up.  Adult supervision required.  If earplug does not fit tightly and securely, use standard sized Mack's® Soft Foam Earplugs.

Information Required by the E.P.A.

The level of noise entering a person's ear, when hearing protector is worn as directed, is closely approximated by the difference between the A-weighted environmental noise level and the NRR.
Example:

  1. The environmental noise level as measured at the ear is 100 dB (A).
  2. The NRR is 29 decibels (dB).
  3. The level of noise entering the ear is approximately equal to 71 dB (A).

Caution:  For noise environments dominated by frequencies below 500 Hz, the C-weighted environmental noise level should be used.  Improper fit of this device will reduce its effectiveness in attenuating noise.  Although hearing protectors can be recommended for protection against the harmful effects of impulsive noise, the Noise Reduction Rating (NRR) is based on the attenuation of continuous noise and may not be an accurate indicator of the protection attainable against impulsive noise such as gunfire.  Constant or repetitive exposure to impulsive noise may lead to serious injury, temporary or permanent deafness.  The Noise Reduction Rating (NRR) calculated form the attenuation data is 29dB.  Mack's® Slim Fit™ Soft Foam Earplugs must be properly fitted to attenuate noise effectively.  Refer to directions above for proper fit.

Sound Attenuation Data (ANSI Standard s3.19-1974) NRR 29

Test Frequency in Hz

125

250

500

1000

2000

3150

4000

6300

8000

Mean Attenuation in dB

34.4

35.0

36.2

35.9

36.4

38.9

39.8

42.6

43.0

Standard Deviation in dB

3.4

4.2

3.8

3.0

2.9

3.0

3.2

4.2

4.1

©2010 McKeon Products, Inc.

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