So the cleaner and oil itself are okay. Cleaner usually takes two runs through to get all the oil out. Oil is tacky and lasts a long time. The issue is the added price just for the buckets. Save yourself the extra $40 that you're paying for those and the little metal screens that don't even do what they're supposed to. Just buy your own buckets for a fraction of the price. The black metal tool that is supposed to keep the filter submerged DOES NOT work. I have bent it all kinds of ways and it will not stay seated in the bucket no matter what. It just slides to the top allowing the filter to come out of the solution. So basically if you don't want to spend $40 on two cheap buckets then just buy the cleaner and oil and get your own buckets somewhere else.
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Works great I have cleaned many air filters in this and it still has lots of oil and cleaner.
There have been no questions asked about the Twin Air Bio System.