Countertop reverse osmosis · checked 16 Oct 2026
AquaTru Classic Countertop Reverse Osmosis Water Purifier
Model AT2000 · replacement parts AT2001, AT2002, AT2003, AT2004
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 | “Certified to reduce 84 contaminants … Heavy Metals — Lead, arsenic, and chromium-6” brand source | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| PFOA | “Certified to reduce 84 contaminants … Forever Chemicals — PFAS, including PFOA and PFOS” brand source | NSF/ANSI 53 | IAPMOfile W-10193 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| PFOS | Same statement as for PFOA. brand source | NSF/ANSI 53 | IAPMOfile W-10193 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Arsenic | Same statement as for Lead. brand source | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Chromium-6 | Same statement as for Lead. brand source | – | IAPMO, NSF (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Chlorine | “Certified to reduce 84 contaminants … Everyday Concerns — Chlorine, chloramine, fluoride, nitrates, and more” brand source | NSF/ANSI 42 | IAPMOfile W-10188 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Chloramine | Same statement as for Chlorine. brand source | NSF/ANSI 42 | IAPMOfile W-10188 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Fluoride | Same statement as for Chlorine. brand source | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Nitrate | Same statement as for Chlorine. brand source | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Microplastics | “Certified to reduce 84 contaminants … Emerging Contaminants — Microplastics, certain pharmaceuticals, and more” brand source | NSF/ANSI 401 | IAPMOfile W-10195 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Pharmaceuticals | Same statement as for Microplastics. brand source | NSF/ANSI 401 | IAPMOfile W-10195 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| VOCs (volatile organic chemicals) | “Organic chemicals included by surrogate testing.” brand source | NSF/ANSI 53 | IAPMOfile W-10193 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Total dissolved solids (TDS) | “TDS 750 +/- 20 22 75% 75.7% 87.1%” brand source | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Cysts (Giardia, Cryptosporidium) | “Cyst3 ≥ 50,0000 ms/L N/A 99.95% 99.99% 99.99%” brand source | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Barium | not claimed on the brand pages we read | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Chromium (valence not stated) | not claimed on the brand pages we read | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Copper | not claimed on the brand pages we read | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Nitrite | not claimed on the brand pages we read | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| BPA, nonylphenol and similar | not claimed on the brand pages we read | NSF/ANSI 401 | IAPMOfile W-10195 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Particulates | not claimed on the brand pages we read | NSF/ANSI 42 | IAPMOfile W-10188 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Perchlorate | not claimed on the brand pages we read | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Pesticides and herbicides | not claimed on the brand pages we read | NSF/ANSI 401 | IAPMOfile W-10195 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Radium | not claimed on the brand pages we read | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Selenium | not claimed on the brand pages we read | NSF/ANSI 58 | IAPMOfile W-10194 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
How often AquaTru 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 pre/carbon filter (AT2001) | 6 months or 600 gallons“Pre/Carbon Filter Part #AT2001. Replace every 6 months or 600 gallons, whichever comes first.” | 2 | brand sourcechecked 16 Oct 2026 |
| Stage 2 reverse osmosis membrane (AT2002) | 24 months or 1,200 gallons“Reverse Osmosis Membrane Part #AT2002. Replace every 24 months or 1200 gallons, whichever comes first.” | 1 every 2 years | brand sourcechecked 16 Oct 2026 |
| Stage 3 VOC carbon filter (AT2003, or AT2004 with pH+ mineral boost) | 12 months or 600 gallons“VOC filter Part #AT2003. Replace every 12 months or 600 gallons, whichever comes first.” | 1 | brand sourcechecked 16 Oct 2026 |
Certification listings found
IAPMO · NSF/ANSI 401 · file W-10195
AQUATRU, LLC lists AT2000, AT2010, AT2020 and 3 more
Meprobamate · Phenytoin · Atenolol · Carbamazepine · TCEP · TCPP · DEET · Metolachlor · Trimethoprim · Ibuprofen · Naproxen · Estrone · Bisphenol A · Linuron · Nonylphenol · Microplastics
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI 42 · file W-10188
AQUATRU, LLC lists AT2000, AT2010, AT2020 and 3 more
Aesthetic Chlorine · Chloramine · Particulate Class I
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI 53 · file W-10193
AQUATRU, LLC lists AT2000, AT2010, AT2020 and 3 more
VOC · PFOA · PFOS
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI 58 · file W-10194
AQUATRU, LLC lists AT2000, AT2010, AT2020 and 4 more
TDS · Barium · Chromium · Copper · Fluoride · Lead · Radium 226/228 · Selenium · Cyst · Arsenic (Pentavalent) ≤ 50 ppb · Perchlorate · Nitrate/Nitrite
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI/CAN 372 · file W-14617
AQUATRU, LLC lists AT2000, AT2010, AT2020 and 3 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: AT2000
- NSF listing search: AT2010
- NSF listing search: AquaTru
- WQA listing search: AT2000
- WQA listing search: AT2010
- WQA listing search: AquaTru
- IAPMO R&T listing directory
What the brand says about certification
- “AquaTru Classic is independently tested and certified by IAPMO to NSF standards to reduce 84 contaminants found in tap water.” source checked 16 Oct 2026
- “Certified to NSF Standards” source checked 16 Oct 2026
- “AT2000, AT2010, AT2020, AT2030, AT2040 and AT2050 are certified by IAPMO R&T according to NSF/ANSI Standard 42, 53, 58, 372, and 401. (For the reduction of the claims specified below).” source checked 16 Oct 2026
- “This system and its filters have been tested according to NSF/ANSI 372 and found within acceptable levels.” source checked 16 Oct 2026
Performance data sheet (names IAPMO R&T)