### Complete Cooling System Replacement Includes all 4 types of fans for Anycubic Kobra S1 Combo: mainboard cooling, extruder blower, air filtration and motor cooling, one-stop solution for all thermal needs. ### 24V DC Standard Specification All fans are 24V DC powered, matching the printer’s original voltage, plug-and-play without modification or voltage adjustment. ### Reliable & Long-Lasting Performance Built with high-quality brushless motor and precision bearings, offering long lifespan, low noise and stable airflow for continuous printing. ### High Efficiency for Different Tasks Optimized for each cooling scenario - high static pressure for extruder heat sink, large airflow for air filtration, silent operation for motherboard cooling. ### Easy Direct Installation Each fan comes with matching connector and pre-tinned wires, perfect direct replacement for original parts, no soldering required.