Faucet-mounted filters are easiest to install (no tools required in most cases), but check your faucet type—models like Brita or Pur generally fit standard faucets, but not pull-out sprayer types ...

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