10PCS 3mm thick thickness 3d printer heating block cotton hotend nozzle heat insulation cotton for UM2+/Makerbot 3D Printer Part

10PCS 3mm thick thickness 3d printer heating block cotton hotend nozzle heat insulation cotton for UM2+/Makerbot 3D Printer Part
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sku: 1005005936519134
$0.99
Shipping from: China
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