Product Review
SpringWell Water Filter Review 2026 — Do They Actually Remove PFAS?
SpringWell sells excellent whole-house carbon filters. But do they remove PFAS? The honest answer depends on which model you buy — and most buyers do not realize there is a key difference.
Last updated: April 2026 · By the PFASFilterGuide team
Quick Verdict by Product
| Model | Price | PFAS Status | Best For |
|---|---|---|---|
| CF1 Whole-House | $599 | Partial — Unverified | Chloramine, chlorine, taste |
| CF4 Whole-House | $799 | Partial — Unverified | Large homes, chloramine |
| SWRO Under-Sink RO | $399 | Strong PFAS Removal | Drinking water, verified PFAS removal |
| WS1 Softener | $599 | No PFAS Removal | Hard water only |
| FutureSoft (Salt-Free) | $799 | No PFAS Removal | Scale prevention without salt |
The NSF Certification Question
Before reviewing each product, it is worth understanding why certification matters here. NSF P473 is the only standard that independently tests for PFOA and PFOS removal. Without it, a manufacturer can claim to "reduce PFAS" based on internal tests — or no tests at all.
NSF P473 Certified
- Tested by accredited third-party lab
- Specific PFOA and PFOS reduction verified
- Annual re-testing required to maintain certification
- Clearly Filtered, Aquasana hold this
SpringWell CF1 / CF4
- Catalytic carbon captures some PFAS compounds
- No published PFAS removal rate or data
- Not NSF P473 certified for PFAS
- Performance will vary by PFAS type and level
The SpringWell SWRO uses reverse osmosis — a physical membrane that blocks PFAS regardless of compound type. It carries NSF 58 certification for RO performance. This is the right choice when verified PFAS removal matters.
Full Product Reviews
Best for City Water / Chloramine
SpringWell CF1 Whole-House Carbon Filter
$599
Best for: City water, chloramine removal, light PFAS concern
What We Like
- Excellent chloramine removal — KDF + catalytic carbon is the best combo for this
- 9 GPM flow rate handles 1-3 bathrooms without pressure drop
- 1 million gallon capacity — roughly 10 years of use with no media replacement
- No waste water — unlike RO systems, whole-house carbon has no drain
- Solid build quality with bypass valve and easy sediment pre-filter access
What Could Be Better
- Does NOT hold NSF P473 certification — PFAS removal is not independently verified
- Carbon reduces some PFAS compounds but removal rate is unknown and inconsistent
- No data on which PFAS compounds are captured or at what concentration
- Sized for 1-3 bathrooms only — larger homes need the CF4
- Upfront cost is high for a system that does not verify PFAS removal
Our Verdict
The CF1 is a genuinely good filter for what it claims to do: chloramine, chlorine, herbicides, pesticides, and taste. If PFAS is your main concern, it is the wrong tool. SpringWell does not publish PFAS removal data for the CF1, and it is not NSF P473 certified. Some PFAS are likely captured by the catalytic carbon — but 'some' is not a number you can rely on.
Best for Large Homes
SpringWell CF4 Whole-House Carbon Filter
$799
Best for: Larger homes (4-6 bathrooms), city water with chloramine
What We Like
- 20 GPM flow rate — handles 4-6 bathrooms and multiple simultaneous users
- Same KDF + catalytic carbon media as the CF1, just larger
- 1 million gallon capacity regardless of home size
- Excellent for large households with chloramine-treated city water
- Same solid bypass valve and sediment pre-filter design
What Could Be Better
- Same NSF P473 absence as the CF1 — PFAS removal not independently verified
- At $799, it is a significant investment for unverified PFAS protection
- Larger footprint — make sure you have space in your utility room
- 20 GPM is overkill for most homes — most buyers do fine with the CF1
Our Verdict
The CF4 is the right choice if you have a large home and chloramine is your primary concern. On PFAS, it has the same limitation as the CF1 — no NSF P473 certification, no published removal data. Buy it for chloramine, taste, and chemical reduction. Not for verified PFAS removal.
Best for PFAS Removal
SpringWell SWRO Under-Sink Reverse Osmosis
$399
Best for: Drinking water, verified PFAS removal, families with PFAS concerns
What We Like
- 99.9% PFAS removal — reverse osmosis forces water through a semi-permeable membrane that physically blocks PFAS molecules
- NSF 58 certified — independently verified performance for RO systems
- 5-stage filtration: sediment + carbon pre-filter + RO membrane + post-carbon polish
- 75 gallons per day capacity — more than enough for a family of 4's drinking and cooking water
- At $399, it is the most affordable way to get verified PFAS removal
What Could Be Better
- Filters only one tap — your kitchen sink. Not a whole-house solution.
- RO produces waste water — roughly 3-4 gallons drained per gallon filtered
- Requires under-sink installation (30-60 minutes DIY or a plumber)
- RO membrane needs replacement every 2-3 years (~$40-$60)
- Flow rate is slower than a standard tap — fill a glass, not a pot, instantly
Our Verdict
This is the SpringWell product you want if PFAS removal is your goal. RO is the most reliable method for PFAS removal and 99.9% removal is backed by the NSF 58 certification. The trade-off is that it only filters your kitchen tap. Pair it with a Clearly Filtered pitcher for a second tap or travel use.
Best for Hard Water
SpringWell WS1 Whole-House Salt-Based Softener
$599
Best for: Hard water areas — scale prevention, soft laundry, no soap scum
What We Like
- Removes calcium and magnesium — the two minerals responsible for hard water scale
- Protects water heaters, dishwashers, and pipes from mineral buildup
- Soft water improves soap lather, reduces soap usage, and extends appliance life
- Ion exchange technology is proven — works exactly as described
- Good build quality with smart regeneration controller
What Could Be Better
- Zero PFAS removal — water softeners do not capture PFAS at all
- Adds sodium to water — a concern for people on low-sodium diets
- Requires ongoing salt purchase and periodic regeneration
- Soft water can feel slippery — some people dislike the texture
- Does not improve water taste, remove chlorine, or address any chemical contaminants
Our Verdict
The WS1 solves a completely different problem than PFAS. If you have hard water — scale on fixtures, dingy laundry, short appliance life — this is an excellent product. It will not help with PFAS in any way. Buy it for hard water. Pair it with the SWRO if you also have PFAS concerns.
Best Salt-Free Softener
SpringWell FutureSoft Salt-Free Softener
$799
Best for: Hard water without sodium concerns, scale prevention without salt
What We Like
- Template Assisted Crystallization (TAC) technology prevents scale without removing minerals
- No salt, no chemicals, no waste water — truly maintenance-free
- Does not add sodium to water — safe for low-sodium diets
- Minerals stay in the water but in a form that cannot form scale
- No electricity required, no regeneration cycles
What Could Be Better
- Zero PFAS removal — same limitation as the WS1
- Technically a conditioner, not a true softener — minerals remain in water
- Soap does not lather as well as with a traditional salt-based softener
- At $799, it is more expensive than the salt-based WS1 with the same PFAS limitation
- TAC technology is less proven than traditional ion exchange
Our Verdict
The FutureSoft is the right choice if you want scale prevention without the hassle of salt. Like the WS1, it does nothing for PFAS. If both hard water and PFAS are concerns, pair this with the SWRO under-sink system for comprehensive coverage.
Cost Comparison
| Filter | Year 1 | Ongoing Cost | PFAS Removal |
|---|---|---|---|
| SpringWell CF1 (Whole-House Carbon) | $599 | $0/yr | Partial — unverified |
| SpringWell SWRO (Under-Sink RO) | $399 | ~$80/yr | 99.9% — NSF 58 |
| Clearly Filtered Pitcher | $270 | ~$180/yr | 99.7% — NSF P473 |
| Clearly Filtered Under-Sink | $580 | ~$130/yr | 99.7% — NSF P473 |
Year 1 = unit price + first-year filter costs where applicable.
Who Should Buy Which SpringWell Product
Common Questions
Does SpringWell remove PFAS?+
It depends on which model. The SpringWell SWRO under-sink reverse osmosis system removes 99.9% of PFAS and is NSF 58 certified. The CF1 and CF4 whole-house carbon filters use catalytic carbon that captures some PFAS, but SpringWell does not publish removal data and the filters are not NSF P473 certified. The WS1 and FutureSoft softeners remove zero PFAS — they are designed for hard water, not chemical contamination.
Is SpringWell NSF certified?+
The SWRO under-sink RO system is NSF 58 certified, which verifies its performance as a reverse osmosis system. The CF1 and CF4 whole-house carbon filters are not NSF P473 certified. NSF P473 is the specific certification for PFAS removal — without it, PFAS removal claims are unverified. If NSF P473 certification is important to you for drinking water, look at Clearly Filtered or Aquasana.
How long do SpringWell filters last?+
The CF1 and CF4 whole-house carbon filters have a 1 million gallon capacity — roughly 10 years for a typical household. There is no annual media replacement. The SWRO under-sink system uses sediment and carbon pre-filters that need replacement annually (~$60), and the RO membrane lasts 2-3 years (~$40-$60 to replace). Softener salt for the WS1 runs $100-$200 per year depending on your water hardness and usage.
Is SpringWell made in the USA?+
SpringWell systems are assembled in the United States. Like most water filtration brands, components such as filter media, membranes, and fittings are sourced globally. The company is US-based and offers US-based customer support with a strong warranty program.
SpringWell vs Clearly Filtered — which is better for PFAS?+
For PFAS removal specifically: Clearly Filtered wins on certification. Their pitcher and under-sink system hold NSF P473 certification — the only standard that independently verifies PFOA and PFOS removal. SpringWell's CF1 is not NSF P473 certified. However, if you want whole-house filtration plus verified PFAS removal at the kitchen tap, a good combination is the SpringWell CF1 (for chloramine and chemicals throughout the house) paired with the SpringWell SWRO or a Clearly Filtered under-sink system at the kitchen tap.
The Bottom Line
SpringWell makes good products — but not every product removes PFAS. The CF1 and CF4 are excellent for chloramine and water taste. The SWRO is the right choice if you need verified PFAS removal at your kitchen tap. The softeners are designed for a completely different problem and will not help with PFAS at all.
If PFAS is your primary concern and you want NSF P473 certification specifically, see our Clearly Filtered review— their pitcher and under-sink systems hold the specific PFAS certification that SpringWell's carbon filters do not.