Under-sink reverse osmosis · checked 16 Oct 2026
Waterdrop 800 GPD Tankless Reverse Osmosis System - Waterdrop G3P800
Model WD-G3P800 · replacement parts WD-G3-N1CF, WD-G3-N3CB, WD-G3P800-N2RO
Note: the brand says “PFAS”; the listing covers only PFOA/PFOS.
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 | “10-Stage Filtration - Removes PFAS, fluoride, lead, chromium and heavy metals.” brand source | NSF/ANSI 58 | IAPMOfile WC-13976 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| PFOA | “NSF/ANSI 42, 53, 58 & 372 Certified | Reduced substances | Fluoride, PFOA & PFOS, TDS, Chlomium, Chlorine” brand source | NSF/ANSI 53 | IAPMOfile WC-14805 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| PFOS | Same statement as for PFOA. brand source | NSF/ANSI 53 | IAPMOfile WC-14805 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| PFAS (no compounds named) | Same statement as for Lead. brand source | NSF/ANSI 53 | IAPMOfile WC-14805 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Fluoride | Same statement as for PFOA. brand source | NSF/ANSI 58 | IAPMOfile WC-13976 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Chlorine | Same statement as for PFOA. brand source | NSF/ANSI 42 | IAPMOfile WC-14301 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Total dissolved solids (TDS) | Same statement as for PFOA. brand source | NSF/ANSI 58 | IAPMOfile WC-13976 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Other | Same statement as for PFOA. brand source | NSF/ANSI 42, 53, 58 & 372 | IAPMO (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 | “Lead*, Taste & Odor*, Large Particles*, Heavy Metals*, Rust*, Sand*, Salt*, Nematodes*, Sediments*, and More Impurities*. | *Tested by a third-party laboratory.” brand source | NSF/ANSI 42 | IAPMOfile WC-14301 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Particulates | Same statement as for Taste and odor. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Arsenic | “Tested by a third party lab ... effectively reducing impurities such as PFOA, PFOS, fluoride, heavy metals (e.g., lead, chromium, arsenic), salts (e.g., nitrate, chloride)” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Nitrate | Same statement as for Arsenic. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Barium | not claimed on the brand pages we read | NSF/ANSI 58 | IAPMOfile WC-13976 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Cadmium | not claimed on the brand pages we read | NSF/ANSI 58 | IAPMOfile WC-13976 | 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 WC-13976 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
How often Waterdrop 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 |
|---|---|---|---|
| G3-N1CF composite filter (CF) | 6 months or 550 gallons“G3-N1CF Filter Provides up to 6 months or 550 gallons of clean water.” | 2 | brand sourcechecked 16 Oct 2026 |
| G3-N3CB carbon block filter (CB) | 12 months or 1,100 gallons“G3-N3CB Filter Provides up to 12 months or 1,100 gallons of clean water.” | 1 | brand sourcechecked 16 Oct 2026 |
| G3P800-N2RO reverse osmosis filterThe brand gives more than one figure for this part. | 24 months or 2,200 gallons“G3P800-N2RO Filter Provides up to 24 months or 2,200 gallons of clean water.”2 years or 2,900 gallons“RO Filter: Every 2 years or after filtering 2,900 gallons, whichever comes first.” | 1 every 2 years | brand sourcechecked 16 Oct 2026brand sourcechecked 16 Oct 2026 |
Certification listings found
IAPMO · NSF/ANSI 42 · file WC-14301
Qingdao Ecopure Filter Co. Ltd lists WD-G3P800
Chlorine · Taste and Odor
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI 53 · file WC-14805
Qingdao Ecopure Filter Co. Ltd lists WD-G3P800
PFOA/PFOS
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI 58 · file WC-13976
Qingdao Ecopure Filter Co. Ltd lists WD-G3P800 1
TDS · Fluoride · Cadmium · Barium · Radium 226/228 · Lead
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI/CAN 372 · file WC-13977
Qingdao Ecopure Filter Co. Ltd lists WD-G3P800
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: WD-G3P800
- NSF listing search: Waterdrop
- WQA listing search: WD-G3P800
- WQA listing search: Waterdrop
- IAPMO R&T listing directory
What the brand says about certification
- “Multi-Certified - NSF/ANSI 42, 53, 58, 372 certified.” source checked 16 Oct 2026
- “Authorized Certification” source checked 16 Oct 2026
- “NSF/ANSI 42, 53, 58 & 372 Certified” source checked 16 Oct 2026
- “System Certified by IAPMO R&T to NSF/ANSI 42, 53 and 58 for the reduction of the claims specified on the Performance Data Sheet, and to NSF/ANSI 372 for low lead.” source checked 16 Oct 2026
Performance data sheet (names IAPMO R&T)