Vacuum Storage Bag Kit for FDM 3D Printer Filament Vacuum Compression Thickened Space Saver Bags Reusable Dry Pouch with Hand Pump Sealing Clips Humidity Indicator Cards Sealer Bags

Vacuum storage kit, which is used to protect your 3D printer filament, especially those with high water absorption, such as Nylon, PVA or other filament., When the filaments are opened and not used up, it will absorb moisture and directly affect your printing quality. Vacuum storage kit will help to store your filament in the right way., BPA free & FDA approved vacuum bag, dust and moisture proof, strong sealing. Hand pump and vacuum bags are reusable, environment-friendly and money-saving, easy to use., The humidity indicator has high sensitivity and can be used repeatedly, so you can know the humidity of 3D filaments at any time. Humidity indicator is reusable after drying., Sealing air valve and double sealed zipper for air tight conservation. The vacuum set is widely designed for 99% FDM 3D printing filaments, it can be used for eSUN and other FDM brands.