"There is no water filter that I know of available to the consumer public that is fine enough to filter out microplastics of under 3 microns or something like t

"There is no water filter that I know of available to the consumer public that is fine enough to filter out microplastics of under 3 microns or something like that." Common, uninteresting point-of-use filters are .5 microns.[1] Very inexpensive (the tap and the filter) and easy to add to your existing sink as a second tap. They don't have the flow rate required for a whole house filter, but you can find high flow filters as fine as 5 microns. A whole house 5 micron chained to a .5 micron drinking tap is a pretty bulletproof filtration chain ... [1] https://www.3m.com/3M/en_US/company-us/all-3m-products/~/3M-Replacement-Cartridge-Original-CUNO-8000-Series-Model-CFS8812ELX-S-5601107/?N=5002385+3291876016&rt=rud https://www.3m.com/3M/en_US/company-us/all-3m-products/~/3M-...