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20Pcs 3mm Thickness 3D Printer Heating Block Cotton Hotend Nozzle Heat Insulation Cotton
Description: Purpose: 3D printer Specifications: 3mm thick Feature: Key parts 3D printer - Heated aluminum block insulation, The benefits of the internal temperature changed slowly While saving power Achieve energy saving effect High temperature: long-term work at a high temperature of 900 Package included: 20 x Heat Insulation Cotton