Dr. Cian Gallagher Do Water Filters Remove PFAS and Microplastics? Not every water filter removes PFAS and microplastics. It comes down to how fine the filter is. Basic jug and fridge filters use carbon. Carbon is good at fixing taste, but it is too coarse to catch m... Filtered Water Microplastics PFAS Reverse Osmosis System Water Filter 19 Aug 2026