https://alexnld.com/product/8pcs-bigtreetech-0-4mm-phaetus-v6-nozzle-for-copper-plating-v6-hotend-extruder-1-75mm-filament-suit-prusa-i3-mk3-3d-printer/?hilite="Trianglelab / Dforce hotend PTFE Tube Teflonto for prusa i3 anet mk8 1.75mm filament ID1.9mmOD4mm Capricornus tube for 3D Printer"