We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality ...

Unlike a small refillable pitcher, or attached under-sink model, Berkey filters can hold multiple gallons of water, and require no electricity, so you can even take yours with you on camping trips ...

Under-sink systems provide filtered drinking water ... In 2018 we conducted tests on the popular Big Berkey water-filter system, which is not ANSI/NSF certified but claims to have been extensively ...