Specification Brand : NF BulletPoint1 : Filament Size: 1.75mm; nozzle size: 0.4mm; heater wire: 12V/ 40W; Thermistor:100K NTC 3950, main heat sink block 60*27*27mm BulletPoint2 : This extruder kit can be used as single color filament printing, dual colors filament printing or 3 colors filament switching printing, but not for mixing colors BulletPoint3 : Bowden feeding, Compatible with Bulldog, Titan or other types of Bowden extruder (Bulldog extruder is recommended) BulletPoint4 : Color switching is fast and stable, without significant print quality defects. BulletPoint5 : Firmware modification is simple, easy to use Color : Multicolor CompatibleDevices1 : Laptop CompatibleDevices2 : Smartphone ExternallyAssignedProductIdentifier : 6003482093687 ItemName : 3D Printer 3 in 1 Out Multi-Color Extruder Three Colors Switching Hotend Compatible with Titan Extruder and Bulldog Bowden Extruder 1.75mm ItemPackageDimensions_Height : 13.8 centimeters ItemPackageDimensions_Length : 9.7 centimeters ItemPackageDimensions_Width : 11.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : 3d-printer-extruders Manufacturer : POLISI Material : Aluminum ModelNumber : p-112 NumberOfItems : 1 OperatingSystem : Linux PartNumber : p-112 ProductDescription : Package: 1pcs hotend with cooling fan, 1pcs 1meter 12V 40w Heater, 1pcs NTC 100K 3950 thermistor, Filaments color Switching Backing waiting distance: not less than 45mm, Erase tower volume: Not less than 55mm, Color switching is fast and stable, without significant print quality defects. Firmware modification is simple and easy to use. Users can easily achieve 3 or 2-color printing. And it can also be used as single nozzle hotend kit. ProductSiteLaunchDate : 2017-08-09T08:37:11.944Z SupplierDeclaredDgHzRegulation : not_applicable