Description
Inline Bone Char Fluoride Reduction Filter
Final Polishing Stage
The Inline Bone Char Fluoride Reduction Filter is designed as the
last (final) stage in water filtration and reverse osmosis systems.
It uses a blended media composition of 70% bone char and
30% coconut shell activated carbon to help reduce fluoride while
improving overall water quality.
Bone char is a calcium-rich, carbon-based media commonly used for fluoride adsorption,
while coconut carbon enhances taste and odor reduction. This combination provides
balanced performance for specialty post-filtration applications.
Purpose
- Helps reduce fluoride
- Helps reduce arsenic (As V)
- Helps reduce lead and other select heavy metals
- Improves water taste and odor
- Final polishing stage after primary filtration
Key Features
- Media Composition: 70% Bone Char / 30% Coconut Carbon
- Designed as the last stage in filtration systems
- Inline sealed design for consistent performance
- Standard 2″ × 10″ inline format
- Easy installation
Applications
- Reverse osmosis systems (final post-RO stage)
- Countertop and undersink water filtration systems
- Point-of-use drinking water filtration
- Specialty fluoride-reduction applications
Specifications
- Filter Type: Inline Bone Char / Coconut Carbon Filter
- Media: Bone Char (70%) + Coconut Carbon (30%)
- Standard Size: 2″ × 10″
- Connection: 1/4″ , 3/8″ OD Tubing
- Recommended Placement: Final stage after RO membrane or carbon post-filter
- Operating Temperature: 36°F – 100°F
- Maximum Pressure: 90 PSI (typical inline use)
- Micron Rating (Nominal): Not rated
Maintenance
- Replace based on incoming water quality, usage volume, or fluoride levels
- Replacement interval varies depending on water conditions
🔧Installation Tips
Tubing Size
- Most RO systems use 1/4″ OD tubing (standard RO size).
- Some countertop RO systems and specialty setups use 3/8″ OD tubing.
- Tubing size refers to the outside diameter (OD) of the tube.
When Do You Need Elbow Adapters?
- Select 3/8″ OD Tubing if your system uses larger tubing.
- We include 2 elbow adapters to connect the inline filter to 3/8″ OD tubing.
✔ No tools required
✔ Push-to-connect installation
When Do You Need a T-Fitting?
A T-fitting (1/4″ stem x 1/4″ OD Tubing x 1/4″ OD Tubing) is helpful if you are:
- Adding the inline filter to an existing 1/4″ RO line
- Want an easier install with a clean branch connection
- Installing between tubing lines without reworking your layout
✔ Optional accessory
✔ Makes installation easier for some setups
Not Sure Which Option to Choose?
- If unsure, select Universal Fit option (Included 4 elbow adapters for 1/4″ & 3/8″ OD Tubing Connection)
- Message us before ordering—we’re happy to help you pick the right fittings.
▶️ Video Installation Guidance
Because RO systems and plumbing layouts can vary, there are multiple valid ways to install an inline filter.
If you are unsure about your setup, we recommend:
- Searching YouTube for “inline RO filter installation”
- Watching a video that best matches your system type
(under-sink RO, countertop RO, post-filter installation, etc.)
Visual step-by-step videos can be very helpful and often make installation easier and faster.




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