Denim Waste Oil Filter
- 4 cubies
- old denim, secure around cube cap threads
- 1 funnel
- 1 clean cube to catch the filtered grease
Even with my oil at 100F from the sun I'm still filtering less than 2.5 gallons per day. I just poked a hole in the top of the dirty cube to act as a air intake. I've tried filtering oil that had water content and the denim swells right up preventing contaminated oil from passing. I believe each layer of denim acts as a 20-30 micron filter.