SpringWell · Whole-house

SpringWell CSF1 filter + FutureSoft salt-free: what it removes and what it costs

Model: Water Filter and Salt-Free FutureSoft System CSF1 (CF1 filter + FS1 conditioner; also CSF4, CSF+)

The SpringWell CSF1 filter + FutureSoft salt-free has no certifier listing for any of the contaminants we track. SpringWell also claims PFAS, chlorine, chloramine and VOCs from lab tests that are not certification.

Photo: SpringWell

Price at SpringWell $2,730

certified reductions we track

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filters per gallon at rated life

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Price checked 2026-10-23. We may earn a commission.

What the SpringWell CSF1 filter + FutureSoft salt-free removes

"Certified" means a certifier (NSF, WQA, IAPMO or CSA) lists this exact product for that reduction claim; the listing is linked. "Brand test only" means SpringWell cites a lab report but no certifier lists the claim. See certified vs. tested.

Contaminant	Status	Evidence
PFAS	Brand test only	Brand claim (no lab named, no report linked): "Chlorine, chloramine (below MDL, 6 yr / 1M gal guarantee), PFAS, pesticides/herbicides, pharmaceuticals, VOCs; up to 95% scale prevention"
Chlorine	Brand test only	Brand claim (no lab named, no report linked): "Chlorine, chloramine (below MDL, 6 yr / 1M gal guarantee), PFAS, pesticides/herbicides, pharmaceuticals, VOCs; up to 95% scale prevention"
Chloramine	Brand test only	Brand claim (no lab named, no report linked): "Chlorine, chloramine (below MDL, 6 yr / 1M gal guarantee), PFAS, pesticides/herbicides, pharmaceuticals, VOCs; up to 95% scale prevention"
VOCs	Brand test only	Brand claim (no lab named, no report linked): "Chlorine, chloramine (below MDL, 6 yr / 1M gal guarantee), PFAS, pesticides/herbicides, pharmaceuticals, VOCs; up to 95% scale prevention"

Not verified, either way (no certification or brand claim): Lead, Fluoride, Arsenic, Nitrate, Chromium 6, Mercury, Microplastics, Cysts, TDS, Bacteria and viruses, Iron, Copper, Uranium, 1,4-dioxane.

What it costs to run

Yearly cost = replacements per year × filter price, for each filter it uses; a filter is replaced at its gallon rating or its month limit, whichever comes first. Water use: all indoor water (58.6 gallons per person a day).

Household	Gallons a year	Filters a year	Total a year	Per gallon
1 person	21,389	—	—	—
2 people	42,778	—	—	—
4 people	85,556	—	—	—

Replacement filters

Filter	Rated life (gallons)	Rated life (months)	Price
Carbon media (CF1 tank)	1,000,000 Source note springwellwater.com	120 Source note Every 10 years or 1 million gallons springwellwater.com	$379.84 est. Source note 'Replacement Media - Carbon Filter Array' regular $379.84, sale $351.70 seen 2026-10-23; size match to CF1 not stated springwellwater.com
Replacement Sediment Filter 10in, 5 micron (2-pack)	—	6 Source note Pre-filter every 6-9 months springwellwater.com	$45.57 Source note 2-pack regular $45.57, sale $42.19 seen 2026-10-23 springwellwater.com
FutureSoft conditioner media	—	— Source note Media life not stated on product page	— Source note No replacement price found on brand store

Specs

Type: Whole-house
Price: $2,730

Source note

Regular $2,730.00; sale $2,320.50 seen 2026-10-23 (store data). Larger sizes up to $4,016.25 sale (CSF+). In stock. springwellwater.com
Installation: Plumber recommended
Flow rate: 9 gal/min

Source note

CF1 filter 9 GPM service (FS1 conditioner 12 GPM); CF4 12 GPM, CF+ 20 GPM. Filter media 1,000,000 gal / 10 years. 25-80 psi. springwellwater.com
Needs power: No

Compare the SpringWell CSF1 filter + FutureSoft salt-free

Common questions

What does the SpringWell CSF1 filter + FutureSoft salt-free remove?

Does the SpringWell CSF1 filter + FutureSoft salt-free remove PFAS?

SpringWell claims PFAS reduction from lab tests by Brand claim (no lab named, no report linked), but there is no certifier listing for it.

Data checked 2026-10-23. 102 filters tracked.