3M EAR 312-1214 bullet-type earplugs
NRR: 32dB
soft, smooth surface, comfortable to wear,
slow rebound foam material, low pressure on the ear canal,
material safe, hygienic, and non-irritating to the skin
Packaging: 200 pairs /box, 10 boxes/box= 2000 sets of
instructions for use:
1: As this product will affect the use effect after washing, please keep your hands clean before use
2: Take out an earplug and rub it with the index finger and thumb of one hand (the thinner the better)
3 : With the other hand, lift the inserted ear upwards and outwards (this is very important) and hold it, and then insert the rubbed earplug into the ear
4: Hold the earplug with your hand until the earplug is completely inflated and shaped ( It lasts about thirty seconds)
Note:
1: Since the earplugs recover their elasticity quickly, the user must make sure that the earplugs are rubbed thin before being inserted into the ear, otherwise the best effect will not be obtained.
2: Remember to plug in The ears are pulled upwards and outwards before entering the ears. If you can fully achieve these two points, the earplugs can exert their maximum effect.
Description
Additional information
Brand | 3M |
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