BOROUX Proactive Fluoride Filter (Starter Kit)

BOROUX is proud to bring to market the newest patent-pending technology for eradicating fluoride from drinking water in homes. Using a hybrid two-layer granulated and nano-carbon materials the filter provides safe and clean water with long-term performance. This new method increases the water's contact time with the filter materials resulting in enhanced filtration. Protect your family from the neurotoxin fluoride with BOROUX.

How Does the BOROUX Proactive Fluoride Filter Work?

Upgrade your hydration with two-stage filtration. The BOROUX Proactive Fluoride Filter pairs perfectly with the BOROUX Foundation Filter. Together, the filters eliminate nearly all unwanted contaminants. 

The first stage of filtering happens when the water passes through the tried-and-true, activated-carbon BOROUX Foundation Filter. The BOROUX Proactive Filter threads onto and attaches to the stem of the black BOROUX Foundation Filter. The second stage of filtration occurs when the water passes through the dual-action BOROUX Proactive Filter.

After passing through the filters in the upper chamber, water first comes in contact with the inner layer of high-efficiency granulated carbon filters in the lower chamber. Then, the water filters through the proprietary nano-carbon outer layer. With the patent-pending Upflow Design of the stainless steel shell, the water stays in contact with the outer layer for a prolonged period of time, providing superior filtration. The filtered water exits the top of the shell through the outlet holes. This allows for a nearly uniform use of the entire surface of the fluoride filters, from bottom to top.

What Materials are in the BOROUX Proactive Fluoride Filter?

The BOROUX Proactive Fluoride Filter has two distinct filtration layers that work cohesively to trap fluoride. The inner layer is granulated carbon, a well-known method for preventing unwanted contaminants from passing. Small, loose granules of a mix of different carbons are packed into the center of the cylinder filter.

The outer layer of the filter is a nano-carbon. This blend of specialized carbon is molded into shape and holds the interior granulated carbon. The micropores of the nano-carbon exterior prevent contaminant molecules from flowing through. Fluoride molecules are particularly small, requiring specially formulated nano-carbon to be an effective barrier.

The BOROUX Proactive Fluoride Filter is encased in a surgical-grade stainless steel shell. The shell is made of food-grade 304 stainless steel, which is the highest quality of stainless steel available. It is FDA-approved for food contact, providing safety, and durability. The stainless steel reduces the risk of plastic leaching. The shell is the key component of the patent-pending Upflow Design technology, offering more protection against waterborne toxins.

No activated alumina

Other filters use alumina as an ingredient to block fluoride. BOROUX refuses to use alumina due to the link between aluminum and negative neurological effects.

Activated alumina filters may allow trace amounts of aluminum to enter the water. In commercial systems, the effluent water can be treated to remove most of the aluminum in downstream processing. However, in point-of-use systems such as gravity-fed systems, removal of residual aluminum is challenging. Point-of-use systems, especially gravity-fed systems, have limited volume available for filtration media. Although alumina can be effective at reducing fluoride, it works best when a relatively large volume of alumina is present. Otherwise, performance begins to degrade almost immediately. BOROUX decided to avoid this potential exposure by developing a filter using media that does not contain aluminum.

Why is Fluoride-Free Water Important?

Fluoride is a known neurotoxin that is unfortunately added to most municipally treated water. This exposure exposes you and your loved ones to a compound with severe health effects. Fluoride calcifies the pineal gland, causing a slew of problems. It is linked to neurodevelopment issues, skeletal deterioration, dental corrosion, thyroid and hormone disruption, and kidney impairment.

According to the Fluoride Action Network, ~95% of the reporting domestic water suppliers in the US have fluoride levels of 0.7 parts per million or less.

Health Effects of Fluoride

Neurodevelopmental Effects (Children’s Brain Health)
A 2025 study published in JAMA Pediatrics found a 1.63-point IQ decrease per 1 mg/L increase in urinary fluoride levels. (View Study) 
The U.S. National Toxicology Program (NTP) reported moderate confidence that high fluoride exposure (1.5 mg/L) is linked to lower IQ in children. (View NTP Report)

 
Skeletal Fluorosis (Bone and Joint Health)
Chronic fluoride exposure may contribute to joint pain, stiffness, and altered bone structure, leading the EPA to set a maximum contaminant level of 4 mg/L. (View EPA Guidelines)

 
Dental Fluorosis (Tooth Health)
Excess fluoride during tooth development can cause discoloration and enamel pitting. (View CDC Information)

 
Thyroid Function
Fluoride exposure may interfere with iodine absorption, potentially affecting thyroid health and increasing the risk of hypothyroidism. Studies suggest an association between fluoride levels and altered thyroid function, particularly in iodine-deficient populations. (View Study)

 
Kidney Health
Individuals with impaired kidney function may struggle to excrete fluoride efficiently, increasing the risk of fluoride accumulation. (View NIH Study)

Who Should Use a Fluoride Filter?

The BOROUX Proactive Fluoride Filter is designed for health-conscious individuals and families. This is for those who prioritize preventative wellness and want clean, fluoride-free water for optimal hydration. Parents who read labels and opt for low-tox products should also consider the water their kids drink. Fluoride can negatively affect a child's brain development and cognitive function. Fluoride-free water is the better choice. Anyone struggling with hormonal balance and thyroid function should choose a water filter that aids in their efforts to correct their imbalances. BOROUX water filters remove endocrine disruptors, making the water clean and clear from harsh chemicals. A vast majority of municipal water is treated with fluoride. If your water comes from a tap, it's highly likely it has some fluoride in it.

What If My Municipality Doesn't Add Fluoride?

With new regulations rolling out in various states, fluoride being added to treated water is becoming less common. Fluoride started being added to tap water in the 1940's now in the 2020's some tap water may not have it present at all. While this reduction of fluoride use in mass quantities will solve the fluoride contamination for many, it may not solve it completely due to naturally occurring fluoride. Fluoride, especially sodium fluoride can be found in ground water, just like how other elements can be naturally found in water. If you geographic area has naturally occurring fluoride, the BOROUX Proactive Fluoride Filter is a great solution.

What Makes This Filter Revolutionary and Innovative?

The BOROUX Proactive Fluoride Filter sets a new standard by addressing common flaws in conventional fluoride filtration. Most competing filters rely on activated alumina, a media known to release trace amounts of aluminum—an element linked to negative neurological effects. BOROUX deliberately avoids this risk by using a proprietary dual-layer nano-carbon filter that contains zero aluminum.

BOROUX’s original design delivers sustained performance. Independent testing shows fluoride reduction well beyond the typical drop-off seen in other brands' filters. The patent-pending Upflow Design extends filter life by 20% compared to non-upflow models. This ground-breaking construction promotes uniform media usage from bottom to top, eliminating uneven media wear, which causes reduced efficiency.

How Long Do the BOROUX Proactive Fluoride Filters Last?

Each set filters up to 1000 gallons, typically lasting 6–12 months, depending on usage and water quality. The BOROUX Proactive Fluoride Filter test results demonstrate over 99% reduction to 120 gallons, an average of 80% reduction to 500 gallons, and a minimum of 47.4% reduction at 500 gallons. 

Fluoride Filter Testing and Results

The new BOROUX Proactive Fluoride Filter was tested to 500 gallons (or 1,000 gallons per pair of filters). The influent test water had a concentration of 0.7 ppm (parts per million) of fluoride.

According to data collected by the Fluoride Action Network, about 95% of the reporting domestic water suppliers in the U.S. have fluoride levels of 0.7 parts per million or less. Which is why our testing was performed at a fluoride concentration that is representative of what is found in the vast majority of households in the US.

BOROUX fluoride filter performance is shown in the chart below in blue. Three different competitor fluoride filters are shown in green, red, and light green.

The three competitors filters shown below use alumina as the primary fluoride reduction media in their filters.

The NSF 53 Standard has a test protocol for fluoride testing; the influent fluoride concentration required for certification to that standard is eight parts per million. About 95% of US households have a fluoride concentration of 0.7 parts per million or less. Due to the fact that the NSF 53 Standard requires testing at more than 11 times the level of fluoride actually found in most households in the U.S., BOROUX decided to test at a more relevant concentration so customers could better predict filter life in their home environment.