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Not all areas have this option, but we have an oil reclamation company here in town (Universal Lubricants) that processes used oil and filters by the semi load daily. As well as thousands of gallons of used oil, they buy used filters from all over and run them in a large hydraulic press to squeeze the majority of the oil out of them. They then go in a shredder that somehow separates the filter media from the metal. The oil goes in with the rest of the reclaimed oil, the metal gets sold to a metal recycler, and who knows where the filter media goes.
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