Pitcher filter · checked 16 Oct 2026
Culligan with ZeroWater Technology 10 Cup Pitcher
Model ZEROP10 · replacement filter ZEROFXX
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 | “IAPMO certified to reduce 98% of lead, 99% of total PFAS and over a dozen more harmful contaminants.” brand source | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| PFAS (named list) | Same statement as for Lead. brand source | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| PFAS (no compounds named) | “Certified to filter forever chemicals, nitrates and lead” brand source | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Nitrate | Same statement as for PFAS (no compounds named). brand source | NSF/ANSI 53 | IAPMOfile W-17155 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Pharmaceuticals | “Advanced ZeroWater Technology filtration, now certified to reduce total PFAS, pharmaceuticals and pesticides.” brand source | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Pesticides and herbicides | Same statement as for Pharmaceuticals. brand source | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Total dissolved solids (TDS) | “Guaranteed to remove 99.9% of total dissolved solids for the purest-taste in every sip.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Fluoride | “Fluoride 99.7%” brand source | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Chromium-6 | “Chromium Hexavalent 6.5 99.4%” brand source | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Mercury | “Mercury 6.5 96.6%” brand source | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Chlorine | “Chlorine 99.4%” brand source | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Cadmium | not claimed on the brand pages we read | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Copper | not claimed on the brand pages we read | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Nitrite | not claimed on the brand pages we read | NSF/ANSI 53 | IAPMOfile W-17155 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| BPA, nonylphenol and similar | not claimed on the brand pages we read | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Taste and odor | not claimed on the brand pages we read | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Zinc | not claimed on the brand pages we read | CSA B483.1 | IAPMOfile W-17175 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO 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 |
|---|---|---|---|
| Culligan ZeroWater Technology filter (ZEROFXX) | 20 gallons“Filter capacity is 20 gallons (75.7 liters). It is recommended to change the filter with replacement element ZEROFXX at this point.” | depends on use | brand sourcechecked 16 Oct 2026 |
Certification listings found
IAPMO · CSA B483.1 · file W-17175
CULLIGAN INTERNATIONAL (ZEROWATER) lists ZEROP07, ZEROP08, ZEROP10 and 1 more
Chlorine · Taste · Odor · Zinc · Cadmium · Copper · Fluoride · Lead · Mercury · Total PFAS · Hexavalent Chromium · Atenolol · Bisphenol A · Carbamazepine · DEET · Estrone · Ibuprofen · Linuron · Meprobamate · Metolachlor · naproxen · Nonylphenol · Phenytoin · Trimethoprim
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI 401 · file W-17156
CULLIGAN INTERNATIONAL (ZEROWATER) lists ZEROP07, ZEROP08, ZEROP10 and 1 more
Atenolol · Bisphenol A · Carbamazepine · DEET · Estrone · Ibuprofen · Linuron · Meprobamate · Metolachlor · naproxen · Nonylphenol · Phenytoin · Trimethoprim
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI 42 · file W-17154
CULLIGAN INTERNATIONAL (ZEROWATER) lists ZEROP07, ZEROP08, ZEROP10 and 1 more
Chlorine · Taste · Odor · Zinc
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI 53 · file W-17155
CULLIGAN INTERNATIONAL (ZEROWATER) lists ZEROP07, ZEROP08, ZEROP10 and 1 more
Cadmium · Copper · Fluoride · Lead · Mercury · Total PFAS · Hexavalent Chromium · Nitrate/Nitrite (30 ppm challenge)
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI/CAN 372 · file W-17157
CULLIGAN INTERNATIONAL (ZEROWATER) lists ZEROP07, ZEROP08, ZEROP10 and 1 more
Materials only (no reduction claim)
Open the listing · checked 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: ZEROP10
- NSF listing search: ZEROP07
- NSF listing search: ZEROP08
- WQA listing search: ZEROP10
- WQA listing search: ZEROP07
- WQA listing search: ZEROP08
- IAPMO R&T listing directory
What the brand says about certification
- “IAPMO certified to reduce 98% of lead, 99% of total PFAS and over a dozen more harmful contaminants.” source checked 16 Oct 2026
- “Backed by IAMPO testing to meet NSF/ANSI standards” source checked 16 Oct 2026
- “System certified by IAPMO R&T to CSA B483.1, NSF/ANSI/CAN 372 for low lead, NSF/ANSI Standard 42, NSF/ANSI Standard 53, and NSF/ANSI Standard 401 for the reduction of the claims specified on the Performance Data Sheet.” source checked 16 Oct 2026
- “Our filters are independently tested and certified to NSF/ANSI standards by IAPMO, an accredited third-party organization.” source checked 16 Oct 2026
Performance data sheet (names IAPMO R&T)