Description 
Edit
The Power Filter is a device made to filter toxins out of the Rusalki's Power Supply. Elsenova tells Trace that reactivating the Power Filter is necessary to help drain her of a "poison" that keeps her in a weakened state.
Composite image of the Power Filter
Location Edit
The Power Filter can be activated after defeating the Uruku Variant, between the boss room and the room with the White Lab Coat.
