The PF-2 Fluoride and Arsenic Reduction Elements contain alumina, which is different from aluminum. Berkey addressed concerns about this distinction in a blog post. You can read more about it here: https://www.usaberkeyfilters.com/blog/2020/11/is-activated-alumina-activated-alumina-in-berkey-pf2-filters-the-same-as-aluminum/
Feb 10, 2025