The 3D printing filament vacuum kit is a novel portable household vacuum device for vacuum storage of filaments, especially for some with high water absorption rate, such as PVA, ePA, ePA-CF, ePA-GF, ABSMAX, TPU-95A, etc. When your filaments are opened and not used up, in order to prevent them from absorbing water and affecting the print quality, you can use this kit to save your filaments. The vacuum kit can be used together with eBOX to achieve the best printing results for filaments. The kit has passed BPA-FREE and FDA certification, food-grade materials, safe and environmentally friendly.