Boroux
BOROUX Foundation Black Filters
$166.00
Unit price perBOROUX Foundation black filters are compatible with popular water filtration systems. We recommend replacing a pair of BOROUX Foundation Filters every 12 months. Filter lifespan will vary depending on source water quality and usage. A pair of filters is warranted and guaranteed to filter effectively for 12 months. The black carbon filter elements are equipped with Stem Saver technology for added durability during handling and cleaning.
Key Features
- WQA certified to NSF/ANSI 42, NSF/ANSI/CAN 401, and NSF/ANSI/CAN 372
- Verified Third Party Filtration Performance. See Test Results
- Up to 12 months of filtration¹
- Reinforced Stem Saver™ design for durability
- Compatible with popular gravity-fed filters
- Uncompromising quality, direct to you
BOROUX Foundation Black Filters
$166.00
Unit price per
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"Water filter" covers a lot of ground. A pitcher on your counter and a gravity-fed system on your kitchen island both filter water, but they aren't trying to do the same job. One is built for everyday convenience. Another is built to reduce a long list of contaminants. Neither is "better" in the abstract. The right choice depends on what you want your water to do for you. Here's how we think about matching the filter to the goal.
Start with the question, not the product
Before comparing systems, it helps to ask what you're actually after. Are you softening the taste and smell of tap water? Reducing heavy metals, PFAS, or pesticides? Or shaping the water itself, mineralizing it and nudging it toward a gentle alkaline balance? Each of those is a different job, and the answer points to a different tool.
Under the hood, filtration performance comes down to three things: the media doing the work, the surface area it offers, and the contact time water spends passing through it. A quick-pour pitcher and a slow gravity system sit at opposite ends of that spectrum by design.
For everyday convenience: a filter pitcher we love
Sometimes you want simple. Fill, pour, done, no setup or counter commitment. That's where a good pitcher earns its place, and the Therasage TheraH2O is one we love.
It runs water through a six-stage filter that reduces fluoride, lead, chlorine, VOCs, and particulates, then uses natural gemstones and infrared frequency technology to mineralize and restructure the water toward a gentle alkaline balance. It's a lovely daily ritual and an easy entry point for cleaner, more interesting water.
Who it's for: anyone who wants convenience, a smaller footprint, and mineralized alkaline water. Who it's not for: if your priority is reducing a broad list of contaminants like PFAS across a whole household, a pitcher isn't built for that depth. Reach for gravity filtration instead.
For serious, whole-family filtration: BOROUX gravity systems
When the goal is deep filtration for the whole family, we point people to BOROUX. The Legacy and Legacy Compact are gravity-fed systems that need no plumbing and no electricity. Water passes slowly through an activated carbon block, and that longer contact time is exactly what makes the difference.
This is where the claims get specific, because BOROUX backs them up:
WQA-certified to NSF/ANSI 42, 401 & 372 — third-party verified, not self-reported.
Removes 80+ contaminants, including heavy metals, PFAS "forever chemicals," pharmaceuticals, pesticides, and microplastics.
Food-grade 304 stainless steel with pressed, one-piece chambers that eliminate the welded-seam rust points found in many competitor systems.
Fluoride reduction available as an add-on filter for those who want it.
And yes, it's beautiful. BOROUX comes in polished stainless, white, black stainless, and sage green, so effective filtration doesn't have to hide under the sink. It's the rare system that earns its spot on the counter.
Who it's for: households that want thorough, certified filtration and a system worth displaying. Who it's not for: if you only want to improve taste or need something pocket-sized, this is more than you need.
The takeaway
The "best" water filter isn't a single product. It's the one matched to your water and your goals. In fact, plenty of homes we talk to use both: a TheraH2O pitcher for daily mineralized, alkaline water, and a BOROUX system for deep, everyday filtration the whole family drinks from.
Not sure which fits your home? That's exactly the kind of question we love. We're here to help you find the right water for the way you actually live.