Woder Fluoride Removal and Advanced Dual Filtration System

Municipally treated water supplies with elevated fluoride levels have been shown to potentially contribute to adverse health effects. Our dual-stage FRM Fluoride Removal system is engineered to remove up to 95% of fluoride contaminants.

WQA-Certified Woder Advanced filters are certified by WQA to NSF/ANSI 42 for Chlorine taste, odor and NSF/ANSI 372 for lead free compliance as verified and substantiated by test data.

It is a dual stage water filter with FRM and Gen4 Advanced filtration. It provides up to 95% fluoride removal (First stage) IN ADDITION to Woder’s G4 Advanced removal (Second stage).

Concerned about Fluoride?

Enjoy fluoride-free water with the Woder Fluoride Removal Filter. It liminate 95% of fluoride present in municipally treated water. It also eliminating lead (99.9%), heavy metals and chlorine (99.9%). In addition, it also removes chromium 6, mercury, volatile organic compounds, carcinogens, PFAS, contaminants, as well as turbidity, odors, and bad tastes.

Enjoy natural, healthy, spring-fresh water from the tap. (claims tested by CLB Labs and are not certified by WQA).

Product Specifications:

Product Dimensions: 15.4″ X 7.25″ (12.25″ is needed with the hoses) X 2.52″

Capacity: 
WD-FRM-REP – Dependent on sediment levels in your water.
WD-G4-REP – Dependent on municipal treated water quality.

System includes:
WD-FRM-REP cartridge (First stage) and WD-G4-REP cartridge (Second stage). Head with dual, built-in shut off valves, inlet hose (3/8 female compression by 1/4 standard pipe thread), outlet hose (3/8 m compression by 1/4 standard pipe).

Common applications include;
Point of use (POU) under sink water filtration system.

Selective Filtration™
Our proprietary Selective Filtration™ technology removes 99.9% of contaminants while leaving in all essential minerals. Reverse Osmosis (RO) filters also remove 99.9% of contaminants, however, they also remove ALL the minerals found in tap water, including minerals your body needs. Worse, RO systems can waste thousands of gallons of water annually while flushing out contaminants down the drain.

Fluoride Removal Water Filter – Dual-Stage System (WD-D-FRM-G4-DC)

The WD-D-FRM-G4-DC is our under-sink water filter to remove fluoride, pairing dedicated fluoride-reduction media with standard Gen4 Advanced filtration in one direct-connect system. It’s built for households who’ve decided they want fluoride out of their tap water and want it handled alongside the usual contaminants like lead and chlorine, rather than as a separate project. As a fluoride removal water filter, it covers both jobs in a single cartridge stack.

Why Choose Dedicated Fluoride Removal

Municipal fluoridation is standard practice across most of the US, set at levels intended for dental health. Some households are entirely comfortable with that, while others want the option to reduce it, whether due to local levels running higher than average, personal preference, or specific sensitivities. A water filter for fluoride removal gives that choice without requiring a switch to bottled water or a full RO system.

This is where the comparison to reverse osmosis matters most. If you’ve been searching for the best water filter to remove fluoride, RO systems do reduce it, but they also strip out beneficial minerals and waste a meaningful amount of water in the process, typically several gallons for every gallon filtered. Our dual-stage design targets fluoride directly through dedicated media instead, without the mineral loss or the wasted water. For anyone comparing options, that makes this one of the best fluoride water filter choices if RO’s tradeoffs are a dealbreaker.

How It Compares to Reverse Osmosis

Installation direct-connects to your existing cold-water valve, no drilling required. As an under sink fluoride water filter, it fits the same Direct Connect approach as our other under-sink products, so if you’ve installed a Woder filter before, this one won’t feel any different. For anyone comparing the best water filter for fluoride removal against the inline version, this DC model is specifically the under-sink option; see the WD-D-FRM-G4-JG for the inline fluoride water filter equivalent. This filter is designed and packaged in the USA.

Frequently Asked Questions

How much fluoride does this filter remove?

The dual-stage media is built to reduce fluoride by up to 95% under typical conditions, alongside standard Gen4 Advanced reduction of lead and chlorine.

Do I need reverse osmosis to remove fluoride from my water?

No. This dual-stage system reduces fluoride through dedicated media, without the water waste or mineral stripping that comes with an RO membrane.

How is this installed under the sink?

It direct-connects to your existing cold-water valve, the same install approach as our other under-sink systems, with no drilling required.

Does this filter also remove chlorine and other contaminants?

Yes, the second stage is our standard Gen4 Advanced media, which reduces chlorine, lead, and other common contaminants alongside the dedicated fluoride-reduction stage.