The MakerBot PLA Material Large Spool in Cool Gray is the best and most consistent material optimized for use with MakerBot's Replicator+ and MakerBot's 5th Generation Line of 3D Printers. This size spool is for use in the MakerBot Replicator+, MakerBot Replicator Desktop 3D Printer (5th Gen), MakerBot Replicator Z18 3D Printer, or MakerBot Replicator 2 Desktop 3D Printer.
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