Auto Vacuum Function
When the coffee beans produce gas, the Soulhand vacuum coffee canister will automatically discharge these gas to ensure the vacuum in the container.
Kickstarter: https://www.kickstarter.com/projects/...
When the coffee beans produce gas, the Soulhand vacuum coffee canister will automatically discharge these gas to ensure the vacuum in the container.
Kickstarter: https://www.kickstarter.com/projects/...