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margin-bottom: 20px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; } .store-nav span { font-size: 0.78em; color: #A67C52; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; } .store-nav a { color: #EAF5F0; text-decoration: none; font-size: 0.88em; font-weight: 500; padding: 4px 12px; border-radius: 16px; transition: background 0.2s; } .store-nav a:hover { background: rgba(255,255,255,0.12); text-decoration: none; } /* Section headers */ h2 { font-size: 1.15em; color: #1E2D2B; font-weight: 700; padding: 10px 16px; border-left: 4px solid #3A9E78; background: #EAF5F0; border-radius: 0 6px 6px 0; margin-bottom: 14px; } h3 { font-size: 1em; font-weight: 700; color: #1E2D2B; margin-bottom: 6px; } /* Cards */ .card { background: #EAF5F0; border-radius: 8px; padding: 18px 20px; margin-bottom: 14px; } .card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 20px; } .card-grid .card { margin-bottom: 0; } /* Benefits list */ .benefit-list { list-style: none; } .benefit-list li { display: flex; align-items: flex-start; gap: 10px; padding: 9px 0; border-bottom: 1px solid #d0e8df; } .benefit-list li:last-child { border-bottom: none; } .benefit-icon { background: #3A9E78; color: #fff; border-radius: 50%; width: 22px; height: 22px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 0.75em; font-weight: 700; margin-top: 2px; } .benefit-list .pct { display: inline-block; font-weight: 700; color: #3A9E78; font-size: 0.98em; } /* Test results table */ .test-table { width: 100%; border-collapse: collapse; font-size: 0.9em; margin-bottom: 6px; } .test-table th { background: #1E2D2B; color: #fff; padding: 8px 12px; text-align: left; font-weight: 600; } .test-table td { padding: 8px 12px; border-bottom: 1px solid #d0e8df; vertical-align: top; } .test-table tr:nth-child(even) td { background: #EAF5F0; } .pct-pill { display: inline-block; background: #3A9E78; color: #fff; padding: 2px 10px; border-radius: 12px; font-weight: 700; font-size: 0.9em; white-space: nowrap; } /* Size guide table */ .size-table { width: 100%; border-collapse: collapse; font-size: 0.88em; margin-bottom: 6px; } .size-table th { background: #1E2D2B; color: #fff; padding: 8px 10px; text-align: left; } .size-table td { padding: 8px 10px; border-bottom: 1px solid #d0e8df; } .size-table tr:nth-child(even) td { background: #EAF5F0; } .size-table .selected td { background: #3A9E78 !important; color: #fff; font-weight: 700; } .size-table a { color: #5B9BD5; font-weight: 600; text-decoration: none; } .size-table a:hover { text-decoration: underline; } /* Includes list */ .includes-list { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 6px; } .includes-list li { padding: 7px 10px; background: #EAF5F0; border-radius: 6px; font-size: 0.9em; } .includes-list li::before { content: “✓ “; color: #3A9E78; font-weight: 700; } /* Cert row */ .cert-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 8px; } .cert-pill { background: #5B9BD5; color: #fff; border-radius: 6px; padding: 8px 16px; font-size: 0.85em; font-weight: 700; text-align: center; } .cert-pill .cert-sub { font-weight: 400; font-size: 0.85em; opacity: 0.9; display: block; margin-top: 2px; } /* Upsell grid */ .upsell-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 20px; } .upsell-card { background: #fff; border: 1.5px solid #d0e8df; border-radius: 10px; padding: 0; text-align: center; display: flex; flex-direction: column; overflow: hidden; } .upsell-card .upsell-img { width: 100%; height: 150px; object-fit: contain; background: #EAF5F0; padding: 12px; } .upsell-card .upsell-body { padding: 14px 16px; flex: 1; display: flex; flex-direction: column; justify-content: space-between; } .upsell-card h3 { color: #1E2D2B; font-size: 0.92em; margin-bottom: 6px; } .upsell-card p { font-size: 0.78em; color: #4A5E5A; margin-bottom: 10px; line-height: 1.4; flex: 1; } .upsell-card .price { font-weight: 700; color: #3A9E78; font-size: 1em; margin-bottom: 8px; } .upsell-card a.btn { display: inline-block; background: #3A9E78; color: #fff; padding: 8px 20px; border-radius: 20px; font-size: 0.82em; font-weight: 700; text-decoration: none; } .upsell-card a.btn:hover { background: #1E2D2B; } /* Notes / disclaimer */ .notice { background: #fff8ed; border-left: 4px solid #A67C52; border-radius: 0 6px 6px 0; padding: 12px 16px; font-size: 0.88em; color: #4A5E5A; margin-bottom: 20px; } .notice strong { color: #A67C52; } /* Fluoride callout */ .fluoride-note { background: #fff8ed; border: 1.5px solid #A67C52; border-radius: 8px; padding: 14px 18px; margin-bottom: 14px; font-size: 0.9em; } .fluoride-note strong { color: #A67C52; } .fluoride-note a { color: #5B9BD5; font-weight: 600; text-decoration: none; } /* Footer */ .footer { text-align: center; font-size: 0.78em; color: #4A5E5A; padding: 16px; border-top: 1px solid #d0e8df; margin-top: 24px; } /* Section spacing */ .section { margin-bottom: 28px; } @media (max-width: 560px) { .hero h1 { font-size: 1.3em; } .card-grid { grid-template-columns: 1fr; } .upsell-grid { grid-template-columns: 1fr 1fr; } .upsell-card .upsell-img { height: 120px; } .test-table, .size-table { font-size: 0.8em; } .test-table th, .test-table td, .size-table th, .size-table td { padding: 6px 7px; } }
Shop: Systems Replacement Filters Accessories Parts
Big Berkey® Housing + BOROUX Foundation™ Filters
Real-world contaminant reduction backed by independent lab testing — up to 99.97% reduction across heavy metals, PFAS, pharmaceuticals, pesticides, and more. Your family’s health, every pour.
WQA Certified 80+ Contaminants Reduced Made in the USA HSA/FSA Eligible 60-Day Free Returns
What Clean Water Does for Your Health
Most tap water contains contaminants at levels you can’t taste or smell. The BOROUX Foundation™ filters — paired with the proven Big Berkey® stainless housing — are independently tested to dramatically reduce the compounds most associated with long-term health concerns.
-
✓
PFAS (“Forever Chemicals”) Reduced — up to 99.6%
PFOA, PFOS, and related compounds are linked to thyroid disruption, immune effects, and reproductive health. This filter significantly reduces them from your drinking water.
-
✓
Heavy Metals Reduced — up to 99.36%
Lead, mercury, cadmium, chromium, and uranium are reduced well below typical tap levels. Particularly important for children and pregnant women, for whom even trace exposure affects brain and kidney development.
-
✓
Disinfection Byproducts (DBPs) Reduced — up to 99.7%
Chlorine, chloramine, THMs, and haloacetonitriles — byproducts of municipal water treatment — are significantly reduced. Better taste and reduced long-term exposure.
-
✓
Pharmaceuticals Reduced — up to 99.5%
Trace prescription drugs, OTC medications, and personal care compounds enter tap water through wastewater systems. Ongoing low-level exposure can disrupt hormones and antibiotic resistance.
-
✓
Pesticides & Herbicides Reduced — up to 99.95%
Atrazine, glyphosate, DEET, lindane, and similar compounds that run off into watersheds are dramatically reduced. Linked to hormone balance disruption at chronic low levels.
-
✓
Industrial Toxins & VOCs Reduced — up to 99.6%
Benzene, BPA, TCE, PFAS, and related industrial chemicals — associated with liver, kidney, and nervous system effects — are substantially reduced.
-
✓
Microplastics Reduced — 98.9%
WQA Certified to NSF/ANSI/CAN 401. Particles 0.5–1.0 microns are captured — the size range that can carry chemical loads into the body.
Note on Fluoride: Foundation™ filters do not reduce fluoride. For fluoride reduction, add the BOROUX Proactive™ Fluoride Filters — alumina-free, designed to pair directly with Foundation™ filters in the same housing.
Choose Your Berkey® Size
| Household |
Unit |
Capacity |
Filters (Standard) |
Faster Flow |
View |
| 1–2 people |
Travel Berkey® |
~1.5 gal |
2 elements |
— |
View |
| 2–4 people |
Big Berkey® ← You’re Here |
2.25 gal |
2 elements |
4 elements |
Selected |
| 4–6 people |
Royal Berkey® |
~3.25 gal |
2 elements |
4 elements |
View |
| 6–10 people |
Imperial Berkey® |
~4.5 gal |
4 elements |
6 elements |
View |
| 10–16 people |
Crown Berkey® |
~6.0 gal |
6 elements |
8 elements |
View |
More filter elements = faster flow. If you cook frequently, have guests, or fill pet bowls daily, consider upgrading to 4 elements or sizing up one unit.
What’s Included
- Big Berkey® upper stainless steel chamber
- Big Berkey® lower stainless steel chamber
- 1 Set of BOROUX Foundation™ Filters (2 elements)
- Stainless steel lid with knob & screw
- Standard black spigot
- Bonus: Stainless steel spigot upgrade
- Black rubber base gasket
- Anti-airlock clip
- 2 vials of red dye (leak test)
- Priming tool
- Hole plugs (select units)
Inventory Note: Units are repackaged — not in original Berkey® box. Logos may vary by production year; all units are authentic. Minor cosmetic imperfections (small scuffs or dents) may be present. These do not affect performance. Berkey® is a registered trademark of New Millennium Concepts, Ltd. — sold here as remaining inventory.
60-Day Free Returns on housing and filters. If you’re not completely satisfied, return for a full refund within 60 days — no questions asked.
Independent Test Results — BOROUX Foundation™ Filters
Verified by third-party laboratory testing (WaterFilterGuru independent panel and WQA certification testing). All figures represent reduction, not removal.
| Category |
Key Contaminants |
Reduction |
| Heavy Metals |
Lead, Mercury, Cadmium, Chromium, Uranium, Cesium |
up to 99.36% |
| Disinfection Byproducts |
THMs, Chloramine, Chloroform, Bromodichloromethane, HANs |
up to 99.7% |
| Industrial Toxins / PFAS |
Benzene, BPA, Chlorine, TCE, PFAS (“forever chemicals”) |
up to 99.6% |
| Pharmaceuticals |
Prescription & OTC drugs, Personal care compounds |
up to 99.5% |
| Pesticides & Herbicides |
Atrazine, Glyphosate, DEET, Lindane, Insecticides |
up to 99.95% |
| Microplastics |
Particles 0.5–1.0 microns |
98.9% |
| Independent Lab Panel |
Barium, Copper, Uranium, Nitrate, Molybdenum, Total THMs |
71–100% range |
| Overall (80+ contaminants) |
Broad spectrum tested panel |
up to 99.97% |
Figures represent independent lab and WQA certification test results. Actual reduction varies with water chemistry and filter age. Replace filters annually for consistent performance.
Certifications
BOROUX Foundation™ filters are certified by the Water Quality Association (WQA) — an independent, accredited certification body. This is distinct from being “NSF Certified”; WQA tests and certifies to the same NSF/ANSI standards.
NSF/ANSI 42 Aesthetic Effects & Materials Safety
NSF/ANSI/CAN 401 Emerging Contaminants & Microplastics
NSF/ANSI/CAN 372 Lead-Free Design
Certifying body: WQA (Water Quality Association). The Big Berkey® housing itself does not carry independent certifications.
Filter Compatibility
BOROUX Foundation™ filters work with any gravity-fed system that accepts 9-inch filter elements with a 3/8-inch stem. This includes:
Berkey® Systems
- ✓ Travel Berkey® (1.5 gal)
- ✓ Big Berkey® (2.25 gal)
- ✓ Berkey® Light (2.75 gal)
- ✓ Royal Berkey® (3.25 gal)
- ✓ Imperial Berkey® (4.5 gal)
- ✓ Crown Berkey® (6.0 gal)
BOROUX Systems
- ✓ BOROUX Legacy (3 gal)
- ✓ BOROUX Legacy Compact (1.8 gal)
Other Brands
- ✓ AlexaPure Pro (2.25 gal)
- ✓ ProOne Big+ (2.75 gal)
- ✓ Doulton Pioneer SS4 LP4
- ✓ Patriot Pure Ultimate (4 gal)
- ✓ Waterdrop King Tank (3.75 gal)
Housing Specs
- Filter length: 9 inches
- Stem size: 3/8 inch
- Flow rate: 1 GPH (2 filters)
- Flow rate: 2 GPH (4 filters)
- Lifespan: 12 months / 6,000 gal per filter
Any gravity-fed housing with 9″ elements and 3/8″ stems is compatible.
Perfect For
👨👩👧👦
Families
Protect your kids from lead, microplastics, and PFAS in tap water. One system covers the whole household.
🏋️
Health-Conscious
You watch what you eat. Why not what you drink? 80+ contaminants reduced, beneficial minerals kept.
👨🍳
Home Cooks
Better water = better coffee, tea, soups, and recipes. Chlorine-free water makes a real difference in taste.
🐕
Pet Owners
Your pets drink from the same tap. Give them clean water too — no heavy metals, no chemicals.
🌱
Eco-Minded
One system replaces thousands of plastic bottles. Stainless steel lasts a lifetime. Filters last a year.
🏠
Renters
No plumbing mods, no landlord permission. Sits on your counter. Take it when you move.
The Real Cost of Clean Water
Annual cost comparison for a family of 4 (based on ~100 oz per person per day)
Bottled Water
$2,400
/year
~1,460 plastic bottles
Pitcher Filters
$360
/year
Limited contaminant reduction
Reverse Osmosis
$600+
/year + install
Strips minerals, wastes water
BOROUX
$150
/year (filters only)
99.97% reduction · minerals kept
System pays for itself in under 3 months vs bottled water. Lifetime warranty on stainless steel.
Pair & Upgrade
Foundation™ Replacement Filters
WQA Certified activated carbon filters. Annual replacement for continued 99.97% contaminant reduction.
$150
Shop Filters
Proactive™ Fluoride Filters
Alumina-free fluoride reduction up to 99.9%. Required if your tap is fluoridated. Pairs with Foundation™.
$129
Add Fluoride Filter
Foundation™ + Fluoride Bundle
Both filter stages in one order. PFAS, heavy metals, plus fluoride. Best annual value.
$279
Shop Bundle
Automatic Filter Primer
Prime filters in 90 seconds. Push-button, no faucet required. Makes setup effortless.
$39.99
Shop Primer
Water View Spigot
Glass sight-tube shows water level. 304 stainless body, ceramic valve. Fits all Berkey® systems.
$39–$49
Add Spigot
Stainless Steel Spigot
All-metal water path with ceramic disc valve. Upgrade from plastic for a taste-neutral pour.
$19–$24
Add Spigot
Berkey® is a registered trademark of New Millennium Concepts, Ltd. BOROUX™ Foundation Filters are independently manufactured and sold by James Enterprise Inc. — not affiliated with New Millennium Concepts. WQA Certified to NSF/ANSI 42, NSF/ANSI/CAN 401, and NSF/ANSI/CAN 372. HSA/FSA eligible. 60-day free returns on housing and filters.
Questions? Contact us through eBay messaging. We’re here to help you find the right filtration solution.
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