All metal hotend will let you print at much higher temperature then possible with original PTFE lined one

Ultimaker CPE - Black - 750g

Chemical color clear

Its unique shimmer effect adds an extra dimension to your printed objects

and even everyday objects

FLUX - 40W Laser Tube - Beambox Craftbot - Reservedel All metal hotend will letThis CO2 laser tube has an inlet and outlet for water cooling and wire connections to the anode and cathode sides of the tube. The high voltage port and low voltage port have been connected in advance to give you a comfortable installation experience. Each part has been tested for quality and undergoes voltage tests to confirm performance at various wattages by the manufacturer.