PrintDry Vacuum Sealed Filament Container: Package of 5 with Electric Pump

PrintDry Vacuum Sealed Filament Container: Package of 5 with Electric Pump The ultimate filament storage solution for 3D printing filaments to prevent the filament from absorbing moisture [Now with PC material.] Includes: 5-pack with a vacuum pump  (Filament spool not included) To separate any containers that may be stuck together upon receiving the package, place a lid on top of the first container, use a hand pump to give it a few pumps and the first container should come apart easily.  Features: Vacuum valve and pump - A special valve and a pump are used to suck the air out to create a vacuum seal and this will prevent the moisture in the air from getting into the container. Precision vacuum control - The electric pump can bring the internal pressure down to -30kPa within 40 seconds to create a very strong vacuum seal. You can see deformations occurred to the lid and container body caused by the air pressure. Vacuum indicator - when completely vacuum-sealed, the center of the vac