Silicon Carbide Nozzle + Heat Break with EndCoat™ Coating
Service Life ：7X longer than ordinary hardened steel nozzle.
Perfectly adapted to Prusa MK4/XL/MK3.9/MK3.9S/MK4S

 All-metal integrated design, prevent leakage and easy to operate
 Flow rate of up to 21 mm³/s*
Upgraded abrasion resistance, particularly suited to the printing needs of fiber composite filaments such as PA-CF/PET-CF/PETG-CF/ABS-GF.
*Flow calibration conditions: 0.4 aperture, PLA, 240°C printing temperature