MonsterFil - PLA N - Black 1.75mm, 10lbs / 4.54kg. MonsterFil PLA N uses a unique blend of non-toxic plastics to allow for a replacement to ABS without the toxic fumes. Consistent diameter, extremely round, and reduced breakage for longer printing performance. The blend allows for little to no warping that you would find in normal PLA. Perfect for Schools, Universities, Home Hobbyists, and General 3D Printing. Low-Temp PLA-N Designed to Extrude at ~220ºC.