1 marketplaces are selling it on Ebay with coupon codes. Also k8402 second nozzle for vertex k8400 is one of the top sellers in and in 2022.

AUTHORIZED DELIVERY******** NOZZLE FOR 3D PRINTER all necessary your single 3D Printer a dual assemblyStepper stepper driverAll necessary the factory, we have loaded your Vertex 3D controller with extruder firmware. would like to your 3D as a single extruder printer, you will have to upload firmware.
Vertex 3D firmware single you your Vertex as printer and are upgrading then you will to upload dual firmware. firmware dual head.
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