Don't use this one.
The mount is weak. Use this one:
2020 Ender 3 filament guide and cleaner all in 1.
It really helps to prevent nozzle clogs by removing dust prior to filament entering extruder.
Simply insert a piece of foam and load filament.
Clean foam every week or so.
Use a dental cleaning kit (Amazon $15) you can find on amazon to help remove any residual printing goobers.