vacuum
cap
Vacuum Indicator
In addition, the Twist Vacuum CapTM is also featured with a vacuum indicator that provides consumers with a clear visual indication that all air is pumped away from the storage container. It also includes a filtration unit for creating vacuum inside containers of light powders.
The Twist Vacuum CapTM technology fits a wide range of storage containers including all standard container sizes made of a wide range of materials that include plastic, glass and metal.