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10 Meter 2x3mm Or 2x4mm Ptfe Tube For 1.75mm Filament J-head Thorat 3d Printer Parts Pipe - 3d Printer Parts & Accessories - AliExpress
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3M develops 3D printing process for PTFE parts - TCT Magazine
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Spectrum PC/PTFE Natural - 3DJake International
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Amazon.com: TRONXY 6 Pcs PTFE Teflon Kit for 1.75 mm Filament, 3D Printer Extruder Accessories with 2 m PTFE Tubing 4 mm, PTFE Tube Cutter, PC4-M6 PC4-M10 Pneumatic Fittings, PTFE Tube Clamps :
