E-A-RLink 3A Insert Eartips - Yellow (750 / PK)E A RLINK 3A INSERT EARTIPS YELLOW (750 PK) Product Code: 420 2005 Disposable, single use foam eartip with black tube for use with E A RTONE 3A and 5A Insert Earphones 3A Yellow are Standard, Adult Size 1 2 inch height, 13. 7mm diameter Latex free Made from the same foam material as 3M Classic Yellow or Beige earplugs which have been on the market for over 30 years and extensive toxicological testing has been performed to support the conclusion that