Under-sink reverse osmosis · checked 16 Oct 2026
iSpring RCC7, NSF Certified, High Capacity Under Sink 5-Stage…
Model RCC7 · replacement parts FP15, FG15, FC15, FT15, MC7
Lead:Brand claim onlyPFAS:Brand claim only
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 |
|---|---|---|---|---|---|
| Lead | “removes up to 99% of over 1,000 harmful contaminants, including PFAS, chlorine, fluoride, lead (removes up to 98%), arsenic, asbestos, calcium, sodium, and more.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| PFAS (no compounds named) | Same statement as for Lead. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Chlorine | Same statement as for Lead. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Arsenic | Same statement as for Lead. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Asbestos | Same statement as for Lead. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Total dissolved solids (TDS) | “Yes, the under sink Reverse Osmosis RCC7 is certified to NSF/ANSI 58 for TDS reduction (58 for reverse osmosis).” brand source | NSF/ANSI 58 | NSF (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Hardness | “it removes hard water minerals like calcium, and magnesium that leave white residue or scale.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Fluoride | “Yes, the under-sink RO filtration system RCC7 can reduce fluoride up to 99%.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Iron | “This Reverse Osmosis water filter under sink removes up to 98% of iron & lead” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Other | “Yes, the GAC filter will take the radon out of the water.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Viruses | “According to the Centers for Disease Control and Prevention (CDC), Reverse Osmosis water systems have very high effectiveness in removing ... virus” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
How often iSpring 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 |
|---|---|---|---|
| FP15 sediment filter (stage 1) | 6–12 months“FP15 Sediment Filter: every 6-12 months” | 1–2 | brand sourcechecked 16 Oct 2026 |
| FG15 granular activated carbon filter (stage 2) | 6–12 months“FG15 Granular Activated Carbon Filter: every 6-12 months” | 1–2 | brand sourcechecked 16 Oct 2026 |
| FC15 carbon block filter (stage 3) | 6–12 months“FC15 Carbon Block Filter: every 6-12 months” | 1–2 | brand sourcechecked 16 Oct 2026 |
| MC7 RO membrane (stage 4) | 2–3 years“MC7 RO Membrane: every 2-3 years” | 1 every 2–3 years | brand sourcechecked 16 Oct 2026 |
| FT15 post-carbon filter (stage 5) | 6–12 months“FT15 Post-Carbon Filter: every 6-12 months” | 1–2 | 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: RCC7
- NSF listing search: iSpring
- WQA listing search: RCC7
- WQA listing search: iSpring
- IAPMO R&T listing directory
What the brand says about certification
- “iSpring RCC7, NSF Certified, High Capacity Under Sink 5-Stage Reverse Osmosis Water Filter” source checked 16 Oct 2026
- “[Certified to NSF/ANSI 58] The iSpring reverse osmosis water filter is produced in strict accordance with American quality standards. Certified to NSF/ANSI 58” source checked 16 Oct 2026
- “Our NSF Certification validates the entire filtration system's performance, setting us apart from competitors that certify only components or materials.” source checked 16 Oct 2026
- “Yes, the under sink Reverse Osmosis RCC7 is certified to NSF/ANSI 58 for TDS reduction (58 for reverse osmosis).” source checked 16 Oct 2026
Performance data sheet (names NSF International)