Pro PCTG, LulzBot Green, 1.75mm3D Fuel Pro PCTG is like PETG but better in many ways. It is tougher (up to 30x tougher than PETG), more chemically resistant, and has even greater clarity than PETG. Pro PCTG is an easy to use material with a lower moisture absorption rate than PETG and doesn't require an enclosure use it just like PETG. The broad color selection and ease of printing make it an ideal choice for printing in a multi color 3D printing system like the Bambu Lab AMS.