This heatbreak is Only Compatible with FDM 3D Printer equipped with Sprite Extruder or Sprite extruder pro, like Ender 3 S1, Ender 3 S1 Pro, CR-10 Smart Pro, Sermoon V1 and Sermoon V1 pro 3D Printer.

---Built-in PTFE Stainless Heatbreak
Built-in PTFE Heatbreak, Official designed,CNC machine produced.ID2mm OD4mm PTFE tube has been already inset the heatbreak.PTFE has the characteristics of corrosion resistance, high temperature resistance and high lubrication. Can effectively avoid printing clogging. Before use, please cut the edge of the PTFE neatly to ensure that it fits tightly with the nozzle .

---Titanium Heatbreak
Made from TC4 Titanium Alloy material , to provide excellent thermal isolation between heater and cooling block. Titanium is extremely strong material and offers almost 3x lower thermal conductivity than stainless steel, creating more defined meltzone. Support long time working at 400C degree, high thermal strength and also fit the faster 3D Printing speed. Highly Polished Super Smooth inner wall, less than Ra0.4 roughness inner wall enhances fluidity of filament.

NOTE: the smooth part size is OD6mm, may not suitable for other hotend, designed to use on Sprite extruder or psrite extruder pro.

---Bi-metal Heatbreak
This Heatbtreak is made from two components, Copper and Titanium TC4. Titanium TC4 reduces heat upward conduction at the heating position, and copper for heat dissipation to accelerate heat conduction.

Copper and Titanium TC4 Bi-Metal Heatbreak has High temperature resistant up to 500C degree, smooth inner wall reduce clogging. It is named "Bi-Metal Heatbreak" with different thermal conductivity. It is composed of 2 parts. We use a special process to hold them firmly together. You don't need to worry about it being damaged.

NOTE: the smooth part size is OD6mm, not suitable for other hotend, only Compatible with Sprite extruder or sprite extruder pro use, please know before ordering.