Relative to flow-rate, the efficiency, or Beta ratio, of a filter may change slightly but this is generally not that significant unless you are talking about wide extremes of flow. We can test an ...

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 ...

Whether we drink from a plastic bottle or a kitchen faucet, we expect clean, crisp water. But headlines about toxic lead and chlorine remind us that our water supply doesn’t always flow fresh from ...