... split like rubber earpieces. Make a great present for a doctor, nurse, vet or safe-crackerThe earpiece for stethoscope temperature range depends on ... and comfortable as the surface coating earplugs.Item:Earpiece For Stethoscope Material:NBR,HNBR,XNBR,EPDM,SIL,FKM( ... needs.Sample:Free After-Sales Service: 100% responsible for earpiece for stethoscope, supply active feedback within 24 hours and solutions ...