This Fastjet Type F A400 Nozzle (50µm Old Version) T is a precision replacement nozzle designed for old‑version Fastjet A400 series CIJ inkjet printers. With a 50‑micron aperture, it ensures stable ink ejection, uniform droplets and clear printing effect. Made of wear‑resistant and corrosion‑resistant material, it features good sealing, long service life and low clogging. Perfectly compatible with old‑style A400 printers, it is easy to install and replace. This nozzle effectively restores printing performance, reduces maintenance and downtime, supporting stable industrial coding and marking production.