Official Ultimaker Spare Part: the Isolator Nut that connects the nozzle/block to the PTFE coupler and Bowden Tube.
Compatible with the following Ultimaker printers:
A pair of Bowden tube collets and retaining clips. When installed in the machine, remove the clip, and push down on the collet, while pulling up on the tube, to remove the tube. An official Ultimaker spare part.View full product details