Raise3d Interchangeable Hot End Assembly with V3H Nozzle (Pro3 Series Only) Nozzle Size:0.4mm The dual nozzle shutter helps

The dual nozzle shutter helps improve printing efficiency and reduces issues during dual-material or dual-nozzle printing

but it also supports high-performance materials like PET-CF

That means the vacuum seal of your filament container will be kept for a longer period of time and re-pumping will become less frequent

Inclusions:

detailed conceptual models

Raise3d Interchangeable Hot End Assembly with V3H Nozzle (Pro3 Series Only) Nozzle Size:0.4mm The dual nozzle shutter helpsRaise3d Interchangeable Hot End Assembly with V3H Nozzle (Pro3 Series Only) Raise3d Interchangeable HotEnd Assembly with V3H Nozzle (Pro3 Series Only) for: Raise3D Pro3 3D Printer Raise3D Pro3 Plus 3D Printer