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Biotap PU foam earplugs fit inside the ear and reduce noise, with an SNR of 24 dB. Their nominal size is 13 ± 1 mm. They are recommended when you need quiet for reading or sleeping.
They are reusable as long as they are kept clean and in good condition. To insert them, press and roll them into a cylindrical shape without creasing them, place them in the ear canal, and hold them there for 15–20 seconds until they have fully expanded. PU foam earplugs should be kept away from water. They are not intended for swimming or showering and should not be pushed too far into the ear. If you have a perforated or infected eardrum, consult a doctor before use.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.
