Impedance Tip Adapter – to use economy Eartips with ER-3A Insert Earphones – Set of 1 Right (red) and 1 Left (blue) tube SKU: ER3-06(ABR) Categories: Spare Parts, Spare Parts G1/G2 Related products VivoCheck – Integrity System self-check verification tool Read more G2 Body & Lid for UGD probe Read more White Tube Nibbons for ER-3A Insert Earphones – 10/pack Read more Non-invasive Electrode Ear Tip Cable with Clip-Snap-connector to ER-3A Insert Earphone – Set of Left and Right for Non-invasive Electrocochleography (ECochG) Read more