The Charcoal Filter is an item added by Simple Difficulty. It is used to filter dirty water into purified water, preventing the Thirsty and Parasites debuffs.
Crafting[]
2 Paper + 1 Charcoal = 3 Charcoal Filter
Usage[]
Charcoal Filter is used to craft both the Purified Water Bottle and Filtered Water Canteen.
Water Canteen + Charcoal Filter = Purified Water Canteen
Charcoal Filter + Water Bottle = Purified Water Bottle