Mitus ABS Plus Grade Filament 3mm (2.85mm) 1 kg for 3D Printing, Made in the USA, Black

I had a lot of trouble with this particular roll separating in the extruder. I finally threw it out as it gave me more trouble than it was worth.

This is a great filament! Less expensive and prints almost as good as IC3D on my prusa

This product works well for our application.