Check the listing for details. 【Pre-owned Good Used】ELEGOO Neptune 4 Max 3D Printer. Condition: Used, Made in China. Listed at 289.99 USD. 【Pre-installed Klipper Firmware】 The Neptune 4 Plus comes with the powerful Klipper firmware, enabling impressive printing speeds of up tp 500 mm/s (default 250 mm/s) and up to 12000 mm/s² accelerations, supporting advanced features such as input shaping and pressure advancing. 【Massive Space for Your Creations】 Unleash your creativity with a generous build volume of 320x320x385mm³/12.59x12.59x15.15 inch. 【300°C High-Temp Nozzle】 The 300°C high-temp nozzle kit features an extended hot end, a 60W ceramic heating element and a brass heating block, capable of printing various filaments including nylon.【Pre-installed Klipper Firmware】 The Neptune 4 Plus comes with the powerful Klipper firmware, enabling impressive printing speeds of up tp 500 mm/s (default 250 mm/s) and up to 12000 mm/s² accelerations, supporting advanced features such as input shaping and pressure advancing. 【Massive Space for Your Creations】 Unleash your creativity with a generous build volume of 320x320x385mm³/12.59x12.59x15.15 inch. 【300°C High-Temp Nozzle】 The 300°C high-temp nozzle kit features an extended hot end, a 60W ceramic heating element and a brass heating block, capable of printing various filaments including nylon.