Unlike countertop units that divert water from a tap to a sink-side cartridge, faucet-mounted water filters are compact devices that attach directly to your faucet. Depending on their efficacy, they ...

Much of the water available in our faucets and taps can contain impurities that can make it either slightly unhealthy or unusable without proper filtration.

Clogging: A high score means the filter maintains a steady flow rate over its lifespan. A top-scoring model is less likely to slow down before the cartridge is due for replacement, making it easier to ...