OREA V4/O1 NEO NEGOTIATOR NEO NEGOTIATOR, brand new and unopened. This is Orea's new NEGOTIATOR. Made of BPA-free transparent polymer resin, It has holes, so you can pass hot water through it while it's attached. Thank you for your consideration. 〈Compatible Drippers〉 V2, V3, V3 MK2, V4 Narrow, O1, Glass Brewer, Porcelane Brewer