Up for sale is a premium, industrial-grade 4.0kg spool of CPX 3D printer filament in Black by Filament Innovations (Lot: 050225-2).This is a high-performance material optimized for large-scale, high-flow, and industrial 3D printing applications, including orthotics, prosthetics (O&P), and engineering prototypes.Key Specifications:Material: CPX (High-strength, high-temp material)Diameter: 2.85 mmNet Weight: Heavy-duty 4.0 kg spool (lasts much longer than standard 1kg spools)Extruder Temp: Requires a high-temperature hotend capable of reaching 280°C - 300°CCondition Notes:Select one: [Brand New, Factory Sealed in Airtight Moisture-Barrier Bag] OR [Open Box / Unused but bag is opened. Please see photos for exact condition].Fast shipping available! This is a heavy item (over 9 lbs shipped), so it will be packed securely to avoid damage during transit. Please verify that your printer accepts 2.85mm filament and can reach 300°C before purchasing.