Berkey is best known for its drinking water filtration, and it brings that knowledge to its inline shower filter. It's sturdy and gets the job done, reducing up to 98 percent of chlorine and the ...

$34 for two replacement filters. Berkey is best known for its countertop water filter — the pricey and frequently-sold-out Big Berkey — which has a rather dedicated fan base. (Trinity Mouzon ...

The cost of the filter cartridges expected to be used in a year, based on the manufacturer's stated replacement interval. This does not include the initial cost of buying the water filter itself.