Purifier

* Perks:
** Purifier, a perk in Fallout: New Vegas.
* Water purifiers:
** Megaton water purifier, a machine that cleans water for Megaton in Fallout 3.
** Project Purity purifier, the purifier for Project Purity in Fallout 3.
** Water purifier (Fallout 4), a pair of water-producing constructible objects for settlements in Fallout 4.
* Quests:
** Blow up the mine's air purifier, a side quest in Fallout 2. 
** Fix the mine's air purifier, a side quest in Fallout 2.
*** HSPURIFY.MSG, message box for the air purifier in Broken Hills mine in Fallout 2.
** Underpass Water Purifier, a quest cut from Fallout: New Vegas.
de:Läuterer