Creality SpacePi X4 Filament Dryer with Dual PTC HeatersDry 4 Spools at Once Dry and print at once for maximum efficiency with SpacePi X4. Effortless multi color printing, seamless multi filament drying. 200W Plus 200W PTC Heats Up to 85 Degrees C The dual 200W PTC heaters, paired with insulated chambers, significantly improve heating efficiency, allowing temperatures to reach up to 85C. This ensures continuous and effective drying of engineering filaments such as PA, PAHT, PC. Why Do You Need a SpacePi