Cartridge heater 10x80mm,230v,300w stainless steel braid 500mm 1 year quality guarantee Cartridge heater10x80mm,230v,300wstainless steel braid 500mm1 year quality guaranteeCartridge heater is developed for high temperature application. Helical round resistance coil is placed around the solid MGO tube filled with high temperature MGO powder and compacted for faster and efficient heat transfer. ...