What can you expect? Prusament Refill is an environment-friendly way to refill your empty Prusament spool. Once you run out of Prusament and the spool is empty, simply remove the spool's sides and attach them to Prusament Refill. Every Prusament Refill we made is up to the high quality standards of our in-house made filaments and is well-secured for transport, so you don't have to worry about tangled spools. You can find more about our sustainability activities in our sustainability report . To install a new Prusament Refill spool please consult our step-by-step user guide. Please note this NFC refill spool is not compatible with the older type cardboard core spools. --> --> Prusament PETG is our own in-house made filament. The whole manufacturing process is closely monitored and tested - we guarantee ±0.02mm precision and highly-consistent colors. You can inspect parameters of every spool we made at prusament.com . Check the sample spool ! Manufactured In-House By Josef Prusa We were not satisfied with the quality of filaments on the market. So we decided to make our own! Prusa Research is the only 3D printer manufacturer with its own filament production. Premium-Grade Materials And Thorough Testing The whole manufacturing process is closely monitored and tested – string diameter, color consistency, and mechanical properties – to make sure that every spool is perfect. ± 0.02 mm Manufacturing Guaranteed Precision We believe the industry standard of 0.05 mm isn’t sufficient for perfect 3D printing. Instead, we guarantee ±0.02mm precision and highly-consistent colors in our filaments. High Quality You Can Check Yourself We are the only manufacturer that gives the option to inspect parameters of every filament spool. Scan a QR code on the spool to see all details online ( check the sample spool ). Read more about Prusament in the article at blog.prusa3d.com or Prusament.com ! About PETG PETG is one of the most commonly used filaments. It