eSUN Dry Pouch,PrinterThickened Kit 3d Printer Hand Pump Clips With Hand Pump Saver Reusable3d PrinterPouch With Hand Thickened Saver Reusable Humidity Indicator Sealer

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. 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. 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. 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. 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.