Salt-free conditioner · checked 16 Oct 2026
Filtersmart Salt-Free Water Softener Alternative System, Saltless…
Model FS500
Lead:not claimedPFAS:not claimed
Each claim, checked
What the brand says, what a certification listing shows for this model, and where each fact comes from. We read listings; we do not test products.
- Certified (listing checked)The certifier’s public listing shows this claim for this model.
- Brand says certifiedThe brand says certified; IAPMO’s listing does not show it. NSF can be checked by hand.
- Brand claim onlyThe brand claims it without citing a certification.
| Contaminant | Brand claim | Standard | Certifier | Confirmed? | Source, date checked |
|---|---|---|---|---|---|
| Scale | “Our salt-free system is proven up to 99% effective against hard water limescale.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
How often Filtersmart says to replace each part. Real filter life depends on how much water you use and what is in it.
| Part | Brand says replace every | Changes a year | Source, date checked |
|---|---|---|---|
| 5-micron sediment pre-filter (blue housing) | 8–10 months“The sediment pre-filters (inside the blue housing) need to be replaced every 8-10 months.” | 1.2–1.5 | brand sourcechecked 16 Oct 2026 |
| TAC salt-free conditioning media | no interval given“Enjoy maintenance-free water softening with our media that never needs replacement.” | – | brand sourcechecked 16 Oct 2026 |
Certification listings found
No IAPMO R&T listing matched this model when we searched on 16 Oct 2026.
Check it yourself
NSF’s and WQA’s terms don’t allow automated lookups, so these links open their public listings for this model:
- NSF listing search: FS500
- NSF listing search: FS-S-15
- NSF listing search: Filtersmart
- WQA listing search: FS500
- WQA listing search: FS-S-15
- WQA listing search: Filtersmart
- IAPMO R&T listing directory
What the brand says about certification
- “Tested and certified tanks, valves and media.” source checked 16 Oct 2026