Flashforge 240­° High Speed Nozzle Assembly 

Size: 040mm 

Includes: Nozzle assembly (1 pcs) 

Max Temperature: 240°c

Fits: 
Adventurer 3 Pro 2
Adventurer 4
Adventurer 4 Pro

Notes: 
Firmware update required for high speed printing. Download the latest firmware from Flashforge.com/download-center
Extract the firmware zip file to the root directly of a blank USB drive
Insert the USB drive into the printer and power the printer on
The update will start automatically
After the update completes, shut off the printer, remove the USB drive and restart the printer