pf2e.fyi
From Pathfinder Lost Omens Pathfinder Society Guide, which isn't enabled.

Replacement Filter (Level 5)

ITEM 5
UNCOMMON
Price 25 gp
Usage bonded
Bulk —

A replacement filter for a Water Purifier. The counteract modifier using this filter is +9.

Pathfinder Lost Omens Pathfinder Society GuideOGL