What is this between the filament buffer? - answer it is for the H2DL

Bambu Lab H2 Series
1

i had to open my h2d and discovered something that looking online i don’t see in other printer, can someone tell me what this is ?

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why is there a 3rd filament buffer between the 2 for the left and right nozzle ?

i don’t see it on other H2D online

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it seem to be empty

i don’t even see it on the wiki

found the answer

2

found the answer here

its actually for the laser edition of the printer to pump air

3

As a laser owner and having only recently used it I can confirm that is where you connect the ‘air assist’ tube for the laser.
It’s also why there are extra clips on the cable carriage.