Hydro-link Replacement

For use with the Gelfree BCI Cap Kit and the All-in-One Gelfree BCI Cap Bundle The Hydro-link acts as the conductive medium by absorbing an optimal amount of saline solution as a micro-signal transmission medium..  Recommended use: Submerge hydro-link pieces in saline solution before inserting into the BCI cap. Dispose after use. Specifications: Material: compressed polyurethane Individual Hydro-Link: 10 mm diameter / 15 mm height tariff code 3926909090   All OpenBCI orders ship from the US. We ship worldwide! Have questions? Email sales@openbci.com Refund Policy