ALVIS MK UNIVERSAL
Reusable earplugs with a cord, universal size (M-L), occlusive noise reduction, equipped with a fixed cord.
These earplugs offer improved noise reduction at all noise frequencies and are recommended for use against sustained noise levels in situations where communication, or perception of the surrounding sounds is not necessary.
Cleaning:
Clean your ALVIS earplugs with water and fatty soap, wipes or cleaning spray for hearing aids.
Dry your earplugs in the fresh air.
How to insert your ALVIS earplugs into your ears:
1.Hold the stem of the earplugs in your fingers
2. Introduce the earplugs into your ear hole, while gently pulling your earlobe backwards.
3. Press on the stem of the earplug until it completely seals your ear hole.
4.Test the noise reduction by gently clapping your hands. The noise level should be reduced significantly.
Storage:
Keep your earplugs in a cool and dry place in the packaging provided. Do not expose to sunlight.
Levels of protection:
SNR = 32db
H = 33 db
M = 29 db
L = 28 db
