Filament Runout Sensor 1.75mm | 3D Printer

$1.49

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Filament Runout sensors detect when you reach the end of your filament spool. There is a mechanical switch inside that when triggered it sends the pause command to your 3D Printer.

Using filament runout sensors for your 3d Printer are a great way to reduce failed prints and make sure those long build get completed.