
"Once they had opened the safe VAULT."
Money Heist Season 1, Episode 4

The VAULT is completely airtight.
Money Heist Season 3, Episode 2

The VAULT.
Money Heist Season 3, Episode 2

In VAULT 2.
Money Heist Season 1, Episode 4

from VAULT number three.
Money Heist Season 1, Episode 8