YOUSU USB Vacuum Pump, 3D Filament Storage, Single Roll Bags, 14 Pieces 30 x 34 cm + 2 32 45 cm, Including Automatic Charging Cable

【Filament Storage Reusable Vacuum Bags KIt】- Filament Storage Bags Set come with one Package Box,Vacuum Bags *14(11.8x13.4inch for 1kg spool),Vacuum Bags *2(12.6x17.7inch for two 1kg spool),Automatic pumps*1,Sealing Clips*2,Humidity Indicator*15,Desiccant*8.One kit 42PCS in total, which can satisfy to storage 18 used filaments at the same time. 【High Quality Sealing Bags】- YOUSU Filament Vacuum Bags made of Food-grade PE+PA Composite Material,BPA-free storage bag is safe,0.09 mm Thickened Material,durable and recyclable;especially designed for 3D printer filament,also for food storage or others. 【Two sizes Vacuum Bags】- YOUSU Filament Storage vacuum bags with two size are especially designed for 3D printing filament and is compatible for all 0.5KG/0.75KG/1KG filaments and 1.75mm/2.85mm/3mm filament.The big size bag satisfy to storage two 1 kg spool once.It can also used for food or other material storage. 【Moisture & Dust-proof】- Higher suction power than all automatic pumps on the market.You will seal filament storage bags in just a few seconds,easily,quickly and efficiently.Use our auto pump to expel air and moisture,keeping your filament dry and effective. 【Cost-effective&After-sales Service】- With our YOUSU filament storage bags,you won't have to spend time and money using a filament dryer.We provide warranty and 100% after sale service.Defective vacuum bags can be reissued or refunded fully. We will reply within 24 hours ASAP.