Although expensive, this water filter is portable, allowing you to filter your water while camping, traveling, or otherwise engaged in life's adventures. The company represents that their products filer PFAs, which has been confirmed by third party testing. Corporate Commitment: https://www.usaberkeyfilters.com/blog/2021/08/will-black-berkey-purification-elements-remove-pfas-and-other-pfcs-from-drinking-water/?gad_source=1&gbraid=0AAAAAD-cVTCVTYLFMwIs4K1HJuZlVy8wH&gclid=Cj0KCQjws560BhCuARIsAHMqE0EJU5yKy56YLU4T-AhdUIczGusBljjoM58Uu9G9XFspA3cGywEvA9IaAjfuEALw_wcB