Description:This 3D pen TPU filament refills is a worry free filament which cause no jamming, no fume issues. This 3D Pen refills comes in 1.75mm diameter, for most 3D pens using 1.75mm filament, but not for 3.0mm 3D Pen.Specification:Printing Temperature: 210-230℃ Material: TPUItem Diameter : 1.75 Millimeters Colors:Gray.
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