Keep your under-sink reverse osmosis system performing at its best with this CF (composite
pre‑carbon) replacement cartridge. It targets chlorine taste and odor and organic materials to
improve the flavor and clarity of your drinking water, with a service life of up to 6 months or 550
gallons.
Key Features
CF pre‑carbon stage targets chlorine taste and odor and organic materials
Service life: up to 6 months or 550 gallons (whichever comes first)
Enhances overall RO performance by protecting downstream membranes and filters
Made with selected natural carbon media
Straightforward swap on compatible systems
Compatibility
Designed for select under‑sink reverse osmosis systems that use a CF (composite pre‑carbon)
cartridge, including G3‑series and G3P800‑style configurations. Always check your system’s manual to
confirm the CF stage type, size, and connection style before ordering.
Specifications
Filter type: CF (composite pre‑carbon)
Primary function: reduces chlorine taste and odor; adsorbs organic materials
Service life: up to 6 months or 550 gallons, whichever occurs first (actual life varies by water
quality and usage)
Materials: selected natural carbon media
How to Use
Turn off the water supply and relieve system pressure.
Remove the existing CF cartridge and install the new cartridge in the CF position.
Restore water supply and flush according to your system’s manual.
Reset any filter-life indicator, if your system includes one.
What’s Included
1 CF replacement water filter cartridge
Why it's important for longevity?
Daily hydration is a foundational habit for long-term health. A well-maintained reverse osmosis
setup supports this habit by improving the taste and palatability of tap water, which can help you
choose water more often throughout the day. The CF (composite pre‑carbon) stage plays a key role by
reducing chlorine taste and odor and adsorbing organic materials before water reaches the membrane
and final polishing stages. By protecting downstream components, the CF filter helps maintain
consistent system performance and extends the useful life of other cartridges, reducing maintenance
disruptions and encouraging steady, long-term adherence to drinking more water at home.
From a practical wellness perspective, cleaner, better-tasting water can make it easier to meet
daily fluid goals that support energy, focus, and routine activities like movement and meal prep. It
also helps minimize common off-flavors that may discourage regular use of your system. Keeping up
with timely CF replacements—typically every six months or 550 gallons—helps ensure your system
continues to reduce chlorine-related tastes and odors effectively. This is not a medical device and
no disease claims are made, but as part of a broader home environment strategy, reliable water
quality can be a simple, repeatable behavior that contributes to everyday wellbeing over the long
run.
Frequently Asked Questions
How often should I replace this filter? Replace every 6 months or 550 gallons, whichever
comes first. High usage or poor source water may shorten the interval.
Will this fit my system? It is designed for select under‑sink RO systems that use a CF
(composite pre‑carbon) cartridge, including G3‑series and G3P800‑style formats. Check your manual
for CF stage type, size, and connection style.
Does this filter reduce TDS or fluoride? No. The CF stage targets chlorine taste and odor
and organic materials. Overall TDS reduction occurs primarily at the RO membrane stage.
Do I need to flush the cartridge after installation? Yes. Follow your system’s instructions
for flushing volume/time to clear initial carbon fines and ensure optimal performance.
Is there any certification information? This listing does not claim specific
certifications. Refer to your system’s documentation for compliance details related to the
complete RO unit.
