Filament Vacuum Storage Bag 10 pcs + 1 Air Pump Prusament No PEEK or PTFE Reach 307457 No PEEK or PTFE Reach Extremely High Temperatures 300ºC with supplied thermistor >400ºC with thermocouple (additional electronics may be required) CNC Machined Parts High precision High quality surface finish Aesthetically Pleasing Prints almost every material (including PLA) Short Thermal Transition Improves extrusion accuracy Reduces 'blobbing' Lowers extrusion force Less retraction required Easy Mounting Plenty of community designed mounts (e This 3D printer comes with a high degree of user friendliness Check that the valve is clean and free of dust before pumping Filament Vacuum Storage Bag 10 pcs + 1 Air Pump