Including filter system and high-performance 4:2 FTS filter.
4:2 FTS is one of the PFAS family of chemicals that can travel through the environment and sometimes turn up in drinking water. Honeyville homeowners most often hear about it from a utility notice, a private well test, or a pre-sale water screening. Because 4:2 FTS is invisible and tasteless, many families choose to take steps to limit exposure and feel confident in the water used for cooking, drinking and bathing. Starting with treatment designed specifically for PFAS — rather than only sediment or taste filters — is the right first step for meaningful reduction.
Since 4:2 FTS belongs to the broader group of fluorinated compounds, reports may list it alongside other PFAS even when it’s the primary concern. Common carbon taste filters, water softeners and basic sediment cartridges are not consistently effective at removing PFAS. Treating water at the point it enters your Honeyville home ensures every tap and appliance is protected, instead of relying on a single under-sink unit for peace of mind.
For whole-house reduction of 4:2 FTS, the most effective single option is a high-capacity granular activated carbon (GAC) system sized and designed for PFAS removal. Activated carbon can adsorb many PFAS compounds, but it only performs well when there’s enough carbon volume and adequate contact time as water flows through the tank. That’s why a full-size, tank-based or backwashing GAC unit is generally a better choice for Honeyville homes than small inline cartridges when the goal is meaningful house-wide reduction. Proper sizing also helps the media last longer and maintain steady performance between services.
A whole-house GAC filter is installed on the main water line so it treats showers, sinks, laundry and the kitchen all at once; typically it’s used with a prefilter to remove sediment and protect the carbon bed from clogging and channeling. For contaminants like 4:2 FTS, regular maintenance matters as much as the initial installation because exhausted carbon won’t continue to adsorb PFAS effectively. Mr. Pure Water can evaluate your Honeyville home’s flow needs and water conditions and recommend the right GAC system for dependable, house-wide treatment.