Polymaker PolyDryer Box is an accessory unit that works with PolyDryer as a storage solution. It is designed to maintain optimal filament condition before and during printing. It protects filament from ambient humidity ensuring consistent, high-quality prints, especially with moisture-sensitive materials like Nylon, PETG, TPU, and PC. The sealed chamber accommodates standard 1kg spools and features a built-in spool holder for smooth, direct feeding to your 3D printer. Whether you're printing now or storing for later, the PolyDryer Box keeps your filament dry, reliable, and ready to perform.