Hmm I got to the conclusion that zero water was way better at filtering out smaller chemicals like lead. I’m still think both types of filters are good for pfas. Zero water could be a little better though.

I could still be wrong. It was hard to find any good studies or tests last time I looked into it.

I believe the brita type filters are considered activated carbon? If so here’s a source:

https://www.epa.gov/sciencematters/reducing-pfas-drinking-wa...