Mack's Earplugs
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Hear Plugs High Fidelity Ear Plugs

Item # 16

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What are these ear plugs made of and do they contain latex?
The earplugs are made from medical grade Thermoplastic Elastomer (TPE). They do not contain latex.  

How do I change the ear tips?
Remove the filter by gently squeezing the ear tip immediatley below the filter until it 'pops' out of the ear tip (be very careful not to lose the small filter). To replace the filter, ensure that the logo is facing upward so the logo will face out of the ear tip once inserted. Insert the filter at an angle, pushing the lower side of the filter first. Then press down on the filter logo to correctly position the filter (it should sit flush) in the cavity of the ear tip. To achieve the certified attenuation, the filter must be correctly fitted and positioned.

Can these ear plugs be cleaned?
Yes. Clean your ear tips after each use to remove earwax (cerumen) and other debris. The ear tips can be wiped clean with a damp cloth of antibacterial cleaning tissues that don’t contain alcohol. After removing the filter (see “How do I change the ear tips?”) the ear tips can be cleaned with mild soap or hygiene tablets and then rinsed in tepid water and dried thoroughly before use. Only if necessary, the filter can be cleaned with mild soap or hygiene tablets and thoroughly rinsed in tepid water and allowed to air dry. Do not use harsh chemicals or alcohol to clean the filters or ear tips.  

How do these ear plugs work?
Mack's® Hear Plugs® High Fidelity Ear Plugs have a unique filter designed to replicate the resonance of the natural ear canal. This patented technology provides an undistorted perception of speech, music and ambient sound, while reducing harmful noise.

Are there any application tips to help me get an airtight seal with these ear plugs?
First try re-inserting after carefully re-reading the directions. If you are still having trouble inserting the earplug into the ear canal, try inserting it with the tip pointed slightly forward toward your face.   

Do these ear plugs provide flat attenuation?
These ear plugs are designed with a special filter to provide a flatter, more even attenuation/frequency response than standard type hearing protection.  

What is the Noise Reduction Rating (NRR) of these ear plugs?
These ear plugs have an NRR of 12 decibels.     

Can these ear plugs be used on children?
We recommend you consult an E.N.T. (ear, nose, and throat doctor) so that they can help you determine if the earplugs are safe for your particular application. While these earplugs were designed for older kids and adults, doctors and parents have used the flanged earplugs on kids as young as 7 years of age. We recommend using the Mack's® Kids Size moldable silicone earplugs for children 6 and under. In most cases, it will simply depend on the size of the individual's ear canals. An adult should always supervise usage and the plug should only be used if it can be fit comfortably and effectively to the ear canal. *See Warning Below.*

Warning: Keep away from infants and small children. These earplugs are non-toxic, but may interfere with breathing if caught in windpipe, which could lead to serious injury or death.