Etymotic Research ER38-18 3-Flange Replacement Eartips - 10 Pack - Gray,large

Etymotic Research ER38-18 3-Flange Replacement Eartips - 10 Pack - Gray,largePackage of 10 large gray 3-flange eartips. Ear canal opening 8-13mm. Designed for use with ER4 series, HF series, etyBLU2, ...