ALVIS MK UNIVERSAL
Reusable earplugs with cord, universal size (M-L), occlusive sound attenuation, with fixed cord.
They provide enhanced attenuation across all noise frequencies and are recommended for protection against sustained noise in situations where communication or perception of the sound environment is not required.
Cleaning :
Clean your ALVIS earplugs with greasy soap and water, or with hearing aid cleaning wipes or spray.
Dry your earplugs in the open air.
How to fit your ALVIS plugs:
1. Hold the stem of the plugs between your fingers
2. Place the plugs in your ear canal, pulling the pinna back slightly.
3. Press the stem of the plug into the ear canal to ensure a tight seal.
4. Test the noise attenuation by lightly clapping your hands; the noise should be noticeably reduced.
Storage :
Store your corks in a cool, dry place in the packaging supplied. Do not expose to direct sunlight.
Protection levels :
SNR = 32db
H = 33 db
M = 29 db
L = 28 db
