Keep Filament Dry during 3D printingWet 3D printing filament will caused to stringing, clogging, poor adhesion, and Layer Shift. The QIDI TECH filament dryer box helps to dry excess moisture, improve your 3D model, and make the filaments say goodbye to the troubles of drawing, clogging, and poor adhesion. Comprehensive Dust-proof & Moisture-proofThis filament dry box's lid is easy to remove and install while providing a secure and airtight seal, which can block the air circulation inside and outside the consumable box as much as possible, which increase the life of filaments. It can improve the printing model stability of water-absorbent filaments, and prevent model printing from drawing wire. Space SavingQidi dry box can be easily installed on the existing spool holder on top of the printer unit, which can keep the filament dry while printing, and greatly save space for you. No Preheating & Power SupplyThis is a great option for independent filament drying wit