How to select the appropriate NXT nozzle

NXT nozzle can be divided into a variety of various models, a variety of styles, a variety of specifications.

Commercially available nozzle has: NXT original nozzle, NXT imitation nozzle, NXT three generations nozzle, NXT generation nozzle, NXT Made-in-China nozzle, NXT imports nozzle and then.

How to select the appropriate NXT nozzle? What kind of nozzle is suit for their machines, presumably customers are very clear. But to how to choose?

Here I want to say (not six):

1 do not choose a fracture ceramic nozzle head

2 do not choose deformable reflective nozzle

3 do not choose clogged and difficult to poke through nozzle

4 do not choose bayonet loose nozzle

5 does not select the deformable center pillar nozzle

6 do not choose to wear darkened nozzle