1 Applicable Models: This throat tube is suitable for Ender 3 S1, Ender3 S1 Pro, for CR 10 Smart Pro, for Sermoon V1, V1 pro 3D printer, check the model! 2 Delicate Craftsmanship: The inner wall of this tube is smoothly without ink blocking, and the pumping resistance is small, providing stabler and smoother using. 3 Ti Alloy Material: This tube made of Ti alloy is corrosion resistant, high temperature and wear resistant, strong and sturdy, ensures a long life span. 4 Branch Design: Adopts branch design, this tube has strong thermal resistance and can dissipate heat faster. 5 Ideal Replacement: This throat tube can be easily installed, ideal replacement for the old and damaged parts.

What's in the box
2 x Heatbreak Tube