How to increase the temperature of the for BIQU H2 extruder to a higher printing temperature?A more powerful fan is needed.The all metal throat and high temperature nozzle need to be replaced.Replaced the thermistor with PT100.This type of throat only update for H2 extruder and then you can use the whole kits to update your CR10 and ender series 3d printer.Colour: silverMaterial: TC4 titanium alloyPackage Contents:4 * HeatBreakOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.