The Sunlu FilaDryer S4 Filament Dryer Box is a high-capacity filament drying box designed to remove moisture and improve 3D printing performance. With rapid heating, adjustable humidity control, and multi-roll capacity, it ensures consistent, high-quality prints.

Key Features

• Large capacity design supports all FDM printers and allows up to four 1kg filament rolls or two 2kg rolls to dry while printing
• Rapid heating with a built-in 350W PTC heater reaches 50°C in 30 minutes for efficient moisture removal
• Adjustable humidity control automatically starts drying when humidity reaches the set range of 30 to 50% and stops at 25% to maintain optimal filament condition
• Triple safety protection enhances operational safety during extended use
• Temperature balance system ensures even heat distribution for consistent drying performance
• Wide temperature setting range from 35 to 70°C accommodates different filament requirements
• Compatible with 1.75, 2.85, and 3.0mm filament diameters for versatile use
• LCD display provides clear visibility of settings and status for easy operation