Meco 50pcs 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: 50 x Heat Insulation Cotton