RepRap-style Diamond 3-in-1-out hotend for multicolor and mixed-filament 3D printing. Three separate Bowden filament inputs feed into one shared brass mixing nozzle.This item has been tested, and is brand new and is being sold as shown in the photographs. No cooling fan, mounting bracket, extruder motors, Bowden tubes, or additional accessories are included.This is a specialized retrofit component and is not a direct replacement for every 3D printer. Please verify compatibility with your printer, controller, firmware, and mounting system before purchasing.