Polymaker Filament Storage Box for 2x1kg Spools or 3kg Spool- PolyBox Edition II 3D Printer Filament Holder 3D Printing Filament Spool Storage Box

✔️ Filament Box Dimensions: Without Base: 31 x 18 x 23 cm; With Base: 31 x 18 x 31 cm; Supported Filament Spools: 2 x 1kg spools or 1 x 3kg spool (2 spools with a maximum width of 52mm each, or 1 spool with a maximum width of 120mm).. ✔️ Built-in Thermo-Hygrometer: The PolyBox Edition II features a high-precision built-in thermo-hygrometer that allows users to monitor humidity and temperature inside the PolyBox. Humidity can be maintained below 15% to prevent filament moisture absorption.. ✔️ Edition II Filament Box: The PolyBox Edition II features slots in both the base and lid to accommodate various usage scenarios. When using the slot in the base, you can remove the lid without interrupting the print. If you need to position the box lower than the printer, you can utilize the slot in the lid.. ✔️ Reusable Desiccant Bags & Upgraded Packaging: The desiccant bag inside the box is reusable, allowing you to keep your filament dry without the need to purchase new bags.. ✔️ NOTE & NO HEAT SOURCE: The humidity inside the box must be kept below 15% to prevent filament moisture absorption during storage and 3D printing. This box is designed for energy efficiency and does NOT contain any electric heating elements.