This would be a dialysis machine. There is some evidence that they're capable of removing some perfluorinated chemicals, though it seems they aren't effective against all types, at least at low concentrations. I'm sure there are private clinics somewhere that will take your money and hook you up for a blood detox, but it's a four hour process so not a practical solution for everyone.
https://journals.plos.org/plosone/article?id=10.1371/journal...