Spool Hygrometer & Thermometer Ring insert

This model is a ring insert designed to hold a circular digital thermometer & hygrometer to fit directly into a Bambu Lab filament spool.The ring can be inserted and removed easily from the spool. It is designed to monitor temperature and humidity inside the filament spool, while drying filament on the heated bed of the printer, or during storage. Perfect for keeping an eye on moisture sensitive filaments. This model is a fall in fit, so you can easy put it in and remove the meter from the Bambu filament spool. ✓ Easy fit into spool✓No supports needed✓ Quick and simple print✓Compatible with bambu lab spools Note: The thermometer / hygrometer can be bought from the official Bambu lab site.