Under-sink reverse osmosis · checked 16 Oct 2026
Culligan Aquasential Smart Reverse Osmosis Drinking Water…
Model Aquasential Smart RO · replacement parts Pre 1, Pre 2, RO 75 (P/N 01038041), Post 1 (P/N 01038123), Post 2 (P/N 01038124), TD 1 (P/N 01038050), TD 2 (P/N 01038051)
Lead:Brand says certifiedPFAS:Brand says certified
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 | “Our smart RO system is certified to reduce over 90 contaminants, including viruses, bacteria, mercury, arsenic, PFAS, lead, and microplastics.” brand source | – | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| PFAS (named list) | “NSF/ANSI 53 for the reduction of pentavalent arsenic, trivalent arsenic, cyst, lead, mercury, VOC, MTBE, Total PFAS²” brand source | NSF/ANSI 53 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| PFAS (no compounds named) | Same statement as for Lead. brand source | – | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Viruses | Same statement as for Lead. brand source | – | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Bacteria | Same statement as for Lead. brand source | – | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Mercury | Same statement as for Lead. brand source | – | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Arsenic | Same statement as for Lead. brand source | – | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Microplastics | Same statement as for Lead. brand source | – | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Pharmaceuticals | “NSF/ANSI 401 for the reduction of phenytoin, ibuprofen, naproxen, estrone, bisphenol A, nonylphenol, atenolol, DEET, linuron, carbamazepine, trimethoprim, metolachlor, TCEP, TCPP, meprobamate and microplastics” brand source | NSF/ANSI 401 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| VOCs (volatile organic chemicals) | Same statement as for PFAS (named list). brand source | NSF/ANSI 53 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Pesticides and herbicides | Same statement as for Pharmaceuticals. brand source | NSF/ANSI 401 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Fluoride | “NSF/ANSI 58 for the reduction of cyst, TDS, turbidity, pentavalent arsenic, barium, cadmium, hexavalent and trivalent chromium, copper, lead, nitrate/nitrite, radium 226/228, fluoride and selenium” brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Nitrate | Same statement as for Fluoride. brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Nitrite | Same statement as for Fluoride. brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Total dissolved solids (TDS) | Same statement as for Fluoride. brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Turbidity | Same statement as for Fluoride. brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Radium | Same statement as for Fluoride. brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Barium | Same statement as for Fluoride. brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Cadmium | Same statement as for Fluoride. brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Chromium-6 | Same statement as for Fluoride. brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Chromium-3 | Same statement as for Fluoride. brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Copper | Same statement as for Fluoride. brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Selenium | Same statement as for Fluoride. brand source | NSF/ANSI 58 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Cysts (Giardia, Cryptosporidium) | Same statement as for PFAS (named list). brand source | NSF/ANSI 53 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Chlorine | “NSF/ANSI 42 for the reduction of aesthetic chlorine, taste and odor, nominal particulate class 1 and chloramine” brand source | NSF/ANSI 42 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Taste and odor | Same statement as for Chlorine. brand source | NSF/ANSI 42 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Particulates | Same statement as for Chlorine. brand source | NSF/ANSI 42 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Chloramine | Same statement as for Chlorine. brand source | NSF/ANSI 42 | NSF, WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
How often Culligan 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 |
|---|---|---|---|
| Stage 1 sediment/carbon prefilter (Pre 1 or Pre 2)The brand gives more than one figure for this part. | 1 year“Sediment / Carbon Combination Prefilter Pre 1 1 year”2 years“Sediment / Carbon Combination Prefilter ... Pre 2 2 year” | 1 or 1 every 2 years | brand sourcechecked 16 Oct 2026brand sourcechecked 16 Oct 2026 |
| Stage 2 RO membrane (RO 75) | 3–5 years“the carbon, Mineral Boost, and particulate filters should be changed at least annually and the reverse osmosis membrane should be replaced every 3-5 years.” | 1 every 3–5 years | brand sourcechecked 16 Oct 2026 |
| Stage 4 postfilter (Post 1 or Post 2)The brand gives more than one figure for this part. | 1 year or 1,000 gallons“Postfilter, 1 year ... Post 1 1 year or 1,000 gallons”2 years or 2,000 gallons“Postfilter ... Post 2 2 year or 2,000 gallons” | 1 or 1 every 2 years | brand sourcechecked 16 Oct 2026brand sourcechecked 16 Oct 2026 |
| Stage 3 Total Defense specialty cartridge, optional (TD 1 or TD 2)The brand gives more than one figure for this part. | 1 year or 1,000 gallons“Specialty Total Defense¹ ... TD 1 1 year or 1,000 gallons”2 years or 2,000 gallons“Specialty Total Defense¹ ... TD 2 2 year or 2,000 gallons” | 1 or 1 every 2 years | brand sourcechecked 16 Oct 2026brand 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: Aquasential Smart RO
- NSF listing search: 01038041
- NSF listing search: Culligan
- WQA listing search: Aquasential Smart RO
- WQA listing search: 01038041
- WQA listing search: Culligan
- IAPMO R&T listing directory
What the brand says about certification
- “The Culligan Aquasential Smart Reverse Osmosis System is tested and certified by WQA to NSF/ANSI 58, NSF/ANSI 42, NSF/ANSI 53, NSF/ANSI 401, NSF/ANSI 372, CSA B483.1 and NSF Protocol P231” source checked 16 Oct 2026
- “certified to reduce 18 times more contaminants than the leading standard pitcher filter. ²” source checked 16 Oct 2026
- “Aquasential RO and Smart RO when configured with post-filter and Total Defense cartridge.” source checked 16 Oct 2026
- “Aquasential® RO, Smart RO, and Smart RO Nitrate Advanced Drinking Water Systems are tested and certified by WQA to CSA B483.1, NSF/ANSI/CAN 372, NSF/ANSI 42 for the reduction of aesthetic chlorine, taste and odor, nominal particulate class 1 and chloramine” source checked 16 Oct 2026
Performance data sheet (names WQA)