Efficient drying of multiple spools. The chamber can accommodate up to two 1-kg spools or one 3-kg spool, protecting them from moisture and dust. Ideal for users who frequently change materials or operate multiple printers. Comprehensive accessory package. The set includes all components for easy integration into your existing SP2 base, including a hygrometer for real-time humidity monitoring, a spool holder for consistent feeding, and sealed feet for airtight operation. Ready to use immediately. With two high-quality PLA+ 2.0 Black filament spools, you can instantly benefit from the additional drying capacity. Expandable and space-saving. Thanks to the modular, stackable design, the SP2 Chamber Bundle Set can be combined with additional SP2 chambers to create a customized drying tower – perfect for hobbyists and professional printing farms.