ISOtunes TRILOGY™ UNIVERSAL Foam Replacement Eartips offer a trifecta of benefits for optimal hearing protection: superior comfort, noise isolation, and sound quality. UNIVERSAL Eartips come in one-size and are perfect for those who need an easy, custom fit. Replacement Eartips are sold as individual packs that include five pairs of eartips. 

For regular users, ISOtunes recommends replacing each pair of eartips every 1-3 months depending on the frequency of use.