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Wellzoom Type B Desktop Filament Extruder 3d Printer Companion 3d Printing Consumables Extruder Model B + Auto Winder 1.75mm 3mm - Tool Parts - AliExpress
5pcs 3D Printer Nozzle Extruder Print Head Brass 0.2mm/0.3mm/0.4mm/0.5mm/0.6mm Output for 1.75mm & 3mm Filament for Makerbot Anet RepRap i3 - Walmart.com
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3d Printer Parts E3d V6 Stainless Steel Nozzles Throat,metal / Ptfe Tube / Bore 4.1mm For 1.75mm 3mm Extruder Hot End J-head - 3d Printer Parts & Accessories - AliExpress
V5 Throat Extruder 1.75mm 3mm 4.1mm Stainless Steel RepRap Prusa 3D Printer – Makers Hut
Titan Extruder 3mm Bowden | 3D printing experts | ReprapWorld USA
3D printer Bowden Extruder V3 for Sumpod & Rostock Delta | Airtripper's 3D Printer and Arduino Blog