LGX ACE Mosquito Printhead Designed for rigid and flexible materials and improved cooling capacity. Main Advantages Is easier to cool down and to install; Allows higher Volumetric Flow Rate; Supports rigid, flexible and soft materials; Prints flexible and soft materials faster; It is small and light yet robust; Allows one hand nozzle change. This LGX printhead only supports 1.75 mm size filament. No heater or thermistor is included.