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AquaGuard Nano UF Membrane Gravity Water Filter Kit with BoneChar

AquaGuard Nano UF Membrane Gravity Water Filter Kit with BoneChar

Regular price $89.00 USD
Regular price Sale price $89.00 USD
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Nano UF Membrane Water filter and refillable Stainless Bone Char Carbon Filter: High Speed Water Filter for Fluoride, Radiation & Heavy Metal Removal for Your Gravity Water System

Are you tired of constantly buying replacement filters?  We finally have a solution. 20,000 gallon Nano UF Membrane Water Filter and Refillable Stainless BoneChar Post filter. Turn any DIY Bucket Gravity Water Filter System into a fluoride and radiation-killing powerhouse with the Stainless Fluoride Filter. This combination of Nano UF Membrane and all-stainless-steel, (Exceeds NSF Standard) filter removes up to 95% of fluoride without introducing Aluminum like Berkey, Doulton and many others. Removes arsenic, aluminum, lead, chromium-6, heavy metals and radioactive particles and ions—without sacrificing flow rate or adding plastic taste.

Perfect for preppers, homesteaders, and families who demand the cleanest possible water when the tap stops running or when municipal water quality can’t be trusted.

Why Add the Nano UF Filter to Your System?

  • Nano UF (Ultra Filtration) Membrane: 20,000 gallon lifespan. Washable and removes Virus, Bacteria, Cysts, Giardia, Iron, and Particles down to .02 microns.
  • Maximum Contaminant Removal: Independently lab-tested to reduce fluoride below detectable levels (<0.01 ppm), plus 99.9% of lead, arsenic, mercury, chromium-6, radiation, and PFAS precursors.
  • Bone Char Post Filter: 100% 304 stainless steel housing—no BPA, no microplastics leaching into your drinking water.
  • Fast Flow Rate: Filters Upto 6 gallon per hour (much faster than alumina (aluminum filters like Berkey) -only filters).
  • Long-Lasting Performance: Single filter lasts up to 20,000 gallons and easily washable.
  • Universal Fit: Sets directly into the lower chamber  lid of most  gravity systems.Just drill a hole in the lower water lid and slide into place. Includes everything needed for instant installation.
  • Easily refill the filter media like making a cup of coffee. Discard the old Bone Char, and pour in new media.
  • Use the Nano UF Filter as a portable water straw for hiking and emergency.
  • Exceeds NSF Certifications: NSF/ANSI 42 & 53 certified media.

Key Specifications



Feature Details
Material Nano Ultra Filtration Membrane - 304 Food-Grade Stainless Steel
Primary Media Nano UF Membrane + Bone Char (Proprietary Blend)
Fluoride Reduction >95% (below detectable limits)
Other Contaminants Lead, Arsenic, Chromium-6, Mercury, Aluminum, Radiation
Filter Life Ceramic 20,000 gal - Post Filter >6000 gal with included refill pouch
Flow Rate ~6 gal/hr gravity
Compatibility Gravi-Stil,  Build Your Own Filter, DIY Filter Buckets
Dimensions 2.5″ diameter × 7″ height
Weight 2.8 lbs

No electricity, no pumps, no waste water like an expensive Reverse Osmosis—just gravity and the most trusted fluoride-removal media available. Paired with our Nano UF Membrane Filter for broad-spectrum purification that beats even the best countertop reverse-osmosis systems when the grid is down.

Be Ready for truly clean water when SHTF

Kit Includes assembly instructions. Containers are not included (you can choose your own)

Meets or Exceeds NSF 42/53/401/P231

Testing Results

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