this component, it will not make error to the ams making to slide in linear way the filament without to block it. must be mounted to the 2 ends fittings 2 reprap m10 diameter 4mm for ptfe.

mount the component following the direction of the arrow.

in the thread in front of the arrow, make sure that the ptfe coming from inside the printer engages in the throat made so as to have an optimal contact, while in the other side insert the ptfe 5/6mm no more.