Earplugs with filter In this, the life span of the earplug depends
greatly on the frequency of use of the earplug. Simply put, how often you
use the earplugs. If you take the place on vacation once a year, a set of
earplugs might last you years. But if you use earplugs on a daily basis
when sleeping, a set will last you 3 months on average. Therefore, it is
wise to check how.often you are planning on using the earplugs or have
used them and to decide based on that whether they need to be replaced.