Water purifier

The  is an electro-mechanical device that Vault residents use to filter contaminants from water. Typically, it is located in the Filter Room of standard Vault-Tec Vaults. The water purifier is a component of the life support system. If properly cleaned and maintained, the water purifier is designed to last nine hundred years without failure.

Vault 101 History
On July 12, 2268, Stanley Armstrong, with the aid of Andy, repairs the water purifier.