### About this item - Compatible with X1 series Bamboo printers only, NOT compatible with P1 series and A1 series - The Cooling Fan for Hot end is used to cool and reduce the temperature of the ceramic heater. - Smooth Rotation, No Stuttering, Long Lifespan; Smooth Airflow, Good Heat Dissipation - Dimensions 25x25x10mm, four wires, 15,000 rpm, double ball bearings, speed measurement PWM temperature control. The cooling fan is a high-speed rotating part, so do not touch it while it is running. - This produce is cooling fan forbambulab x1 series,not Chamber Temperature Regulator Fan.