Concerns about aging pipes, a group of chemicals known as PFAS and taste have fueled a booming market for home water filters.

Marshall Gunnell is a Tokyo-based tech journalist and editor with over a decade of experience covering IT, cybersecurity and data storage. Alongside CNET, his work has appeared in ZDNET, Business ...

Be Well Climate Choices Water Filters A replacement water filter sits in a cabinet Monday, March 9, 2026, in Cincinnati. (AP Photo/Joshua A. Bickel) (Copyright 2026 ...

U.S. tap water is generally safe and high quality. But that doesn’t mean every glass tastes the same, or that every building’s plumbing delivers identical water to the faucet. That uncertainty has ...