A Crude Oil Filter is a tool in Survival 303.


A crude oil filter is one of the two tools that filters useless crude oil into oil. It's best to get this if you don't have the supplies to make an Oil Filter, but need oil. The way this works is by clicking on a piece of Crude Oil and waiting for it to filter. Don't worry, it doesn't disappear, it's in your backpack (when it's done)! This tool takes thirty seconds to fully filter the oil.

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