Including filter system and high-performance PFOS filter.
PFOS is one member of the PFAS family that can show up in drinking water and is known to persist in the environment. Because it doesn’t break down easily, small introductions can lead to long-term presence in a water source. Cox homeowners typically hear about PFOS from local water reports, community news, or private home testing; if you’re worried, the next sensible step is to confirm what’s in your water and choose a treatment targeted at PFAS compounds.
Unlike chlorine or other taste-and-odor issues, PFOS generally has no smell or visible sign at the tap, so it’s hard to judge by appearance alone. It’s usually discussed as a long-term exposure concern rather than an immediate nuisance. For Cox residences, a practical strategy is whole-house treatment at the point of entry so filtered water reaches drinking, cooking, bathing, and laundry taps throughout your home.
For whole-home PFOS reduction the single most effective choice is a high-capacity granular activated carbon (GAC) filter formulated for PFAS. GAC removes PFOS by adsorbing it onto the media’s extensive surface as water flows through. Because PFOS is more challenging than many common taste-and-odor contaminants, media quality, bed depth, and proper flow rate all matter—so a correctly sized whole-house GAC system is preferable to multiple small under‑sink units for comprehensive protection.
A whole-house GAC system is fitted on the main water line so every faucet in your Cox home receives treated water; sizing for peak household flow and regular media changeouts keep removal consistent. Mr. Pure Water can assess your plumbing and recommend a carbon configuration appropriate for PFOS and your usage patterns, and periodic testing before and after installation provides added assurance the system is performing as intended.