Description Tips: For the first time when using this 3 in 1 outdoor set, all 3 extruders need to feed the filament in turn, and feed about 5mm each time as many as three extruders get filaments. The recall piece should not be too long, please check it within 3mm. Also, when switching the extruder, the extruder is waiting for you we should not get the filament to wait for. Feature: 1. A new design with good appearance and great quality and stability. 2. The size of the main body is phi; 42mm × 54mm. 3. Parts of the body on which you can make yourself made of high-quality CNC machining equipment, which ensures that you can mention them in a review. Equipped with high-quality brass plug connectors, the set is solid and reliable. 4. High purity internal melting space, not blocking the filament. 5. Internal piping elegantly designed to meet three types of fiber and gradual handover demand mutation, defect color change can be effectively controlled. 6. On the mounting bracket on the side mounting holes in the directions to meet the requirements for XYZ installation most viewed - three check the current arrival and departure times, the latest and for 40 * 40mm fans and 30 * 30mm installation fans as well. 7. Three sets with heating and temperature measurement holes makes it much easier for electrical installations. In real use, just two heaters are needed. 8. Heater 12V20W and 24V20W, two voltage options. Parallel wiring for different types of conventional motherboards. 9. Built-in PTFE in the throat helps greatly, to prevent blocking the filament. Specification: Feeding mode: Remote Power Supply Extruder adaptation: for Bulldog, for MK8 and other types of extruders Body material: Aluminum Heating voltage: 12 V/24 V Package List: 1 set x Hotend Extruder Kit