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 Non-invasive Electrocochleography (ECochG) Kit: ER3-60 Electrode Eartip Cable with Clip-Snap and Starter Gold-foiled Ear Tip Set – 20 pcs. ER3-26A (13 mm) and 20 pcs. ER3-26B (10 mm) Read more G2 Body & Lid for UGD probe Read more Battery Pack Kit (A/C Adapter, Charging Cradle, 2 Battery Packs) Read more G2 DPC Probe Couplers (x10) Read more