The Sovol Dual Filament Dryer Box can heat and print with two filament spools. It heats up, removing moisture and improving print quality. The box features a silicone spacer and cover for a tight seal, keeping humidity low. This lets you store filaments for a long time without power. The touch screen is easy to use and shows temperature, humidity, and timer clearly. Sovol dual dryer box can store 2 rolls of 1kg spools. The outlet structure adopts a silicone cable sheath and Teflon tube, 4 holes to choose according to your needs, the outlet is smooth and can be covered with a plug when not in use. The silicone seal makes it possible to store the filaments for a long time without power and protects your filaments from moisture and dirt. You can put 4 bags of desiccants (not included in the package) inside the dryer box to improve drying efficiency & quality.