YOOPAI Filament Storage Bags with Auto Pump - Upgraded 20 Extra Large Filament Bags (38x33cm) Plus 30 Desiccants and 5 Clips - Extra Large Filament Vacuum Bags Designed for Bambulab Reusable Spool

Filament storage bag Leaking? Ensure the zipper is fully and tightly sealed to prevent any air leakage. Vacuum Pump Not Extracting Air? Press the vacuum pump firmly against the valve to eliminate any gaps and ensure proper suction Oversized Compatibility: 38x33cm (14.9x13 in) Large filament bags fits Bambu Lab spooled filaments and more than 99% 1kg 1.75mm standard filaments effortlessly Enhanced Automatic Vacuum Pump: The upgraded auto pump simplifies the filament storage process with minimal effort. It delivers consistent, reliable seals faster and more efficiently than manual pumps, making it a user-friendly solution Upgraded Valve System: Engineered airflow channels increase air expulsion speed by 20% versus standard valves. Vacuum with one-handed pressing 3D Printer Filament Storage Solution: Protect filaments from moisture and dust by sealing them immediately after drying. Proper storage significantly improves print quality and filament longevity