Crude Oil Filter

A Crude Oil Filter is a tool in Survival 303.

Overview
The crude oil filter is one of two tools required to filter crude oil into a usable, 'refined' oil. To use, have the filter in hand and click an item of crude oil on the ground. The crude oil will disappear during processing and will reappear in your inventory when it completes. While this variant takes thirty seconds to fully filter crude oil, it is by no means a poor choice over the more expensive oil filter.