Bambu Lab PLA Basic Filament (Refill - Spool Required) delivers reliable performance and high-quality prints with excellent layer adhesion and minimal warping. Ideal for everyday 3D printing, it offers smooth extrusion and a consistent finish. Perfect for makers of all levels, this filament ensures hassle-free printing on Bambu Lab and other compatible FDM 3D printers. Features Easy to Print & Beginner-Friendly: Designed for effortless printing, making it perfect for users of all experience levels. Smooth Surface Finish: Produces high-quality prints with a polished and professional look. Biodegradable & Eco-Friendly: Made from renewable resources, supporting sustainable 3D printing practices. Precise & Consistent Extrusion: 1.75 mm ± 0.03 mm diameter ensures accurate and stable filament feeding, reducing the risk of clogs and misprints. 1KG Material: Each spool contains 1 kilogram (2.2 lbs) of premium PLA filament, ensuring long-lasting use for multiple projects. Cautions for Use AMS & AMS Lite Compatible: Works seamlessly with AMS (Automatic Material System) for efficient multi-material printing. Refill Spool Required: This filament must be used with a spool for proper handling and feeding.