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Amazon.com: SIQUK 4 Pieces Teflon Tube PTFE Tubing(1 Meter) with 8 Pieces PC4-M6 Fittings and 8 Pieces PC4-M10 Male Straight Pneumatic PTFE Tube Push Fitting Connector for 3D Printer 1.75mm Filament :
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Amazon.com: uxcell PTFE Tubing 0.6mm ID x 1mm OD x 16ft PTFE Tube : Industrial & Scientific
Amazon.com: SIQUK 5 Pieces Teflon Tube Blue PTFE Tubing (1M) with 10 Pieces PC4-M6 Fittings and 10 Pieces PC4-M10 Fitting Connector for 3D Printer 1.75mm Filament : Industrial & Scientific
Amazon.com: BZ 3D 3M High Transparent FEP Tube MMU2.0 for prusa i3 mk3 Ender 3 anet mk8 Bowden Extruder 1.75mm Filament ID2mm OD4mm Non-PTFE.（FEP） : Industrial & Scientific
Amazon.com: Aicosineg PTFE Teflon Tubing 6.56ft-8mm ID X 10mm OD PTFE Teflon Tube Connector Tubing for PLA ABS 3D Printer-Milky (1PCS) : Industrial & Scientific
Amazon.com: SIQUK 5 Pieces Teflon Tube PTFE Tubing (1M) with 10 Pieces PC4-M6 Fittings and 10 Pieces PC4-M10 Fitting Connector for 3D Printer 1.75mm Filament : Industrial & Scientific
Amazon.com: Creality Capricorn Bowden PTFE Tubing Tube XS Series 1 Meter 1.75MM Filament with PTFE Teflon Tube Cutter for Ender 3 Ender 3 Pro, Ender 5, Ender 5 Plus CR-10,CR-10V2 3D Printer :
Amazon.com: AMX3d PTFE Teflon Bowden Tube for 1.75 Filament (2.0mm ID/4.0mm OD) 1.5 Meters – White Connector Tubing for 3D Printer : Industrial & Scientific
MUYI 10 Meters = 32.8 Feet PTFE Teflon Tube OD 4mm ID 2mm for Chemical Electrical Equipment
