Monoprice MP select mini extruder guide for Flexible Filament

This is a sleeve/guide to prevent buckling of flexible filaments, and fits into the small gap between the extruder assembly and the start of the bowden tube & between the pinch roller & filament. As of this writing I have printed about 10 items with SainSmart Flexible Filament & have experience no buckling.

NOTE:
Is is necessary to remove the manually added support ring in the circular recess at the bottom after printing, & clean any debris from the hole & guide slot to suite the 1.75mm fi