Under-sink filter · checked 16 Oct 2026
Waterdrop Under Sink Water Filter | Direct Connect Filtration System
Model WD-10UA · replacement filter WD-RF10
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 |
|---|---|---|---|---|---|
| Chlorine | “Advanced Filtration – Reduces chlorine, odor, sediment, and heavy metals, third-party tested.” brand source | NSF/ANSI 42 | IAPMOfile W-11590 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Taste and odor | Same statement as for Chlorine. brand source | NSF/ANSI 42 | IAPMOfile W-11590 | Certified — IAPMO listing, checked 16 Oct 2026 | IAPMO listingchecked 16 Oct 2026 |
| Particulates | Same statement as for Chlorine. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Mercury | “effectively reduce chlorine, heavy metals like mercury, and other chemical contaminants” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Scale | “It also filters out sediment and other large particles, thereby preventing scale buildup.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 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 |
|---|---|---|---|
| WD-RF10 replacement filter (WD-10UA) | 12 months or 11,000 gallons“According to the different model numbers, Waterdrop under sink water filter serves different life span. WD-10UA: 12 months/11,000 gallons” | 1 | brand sourcechecked 16 Oct 2026 |
Certification listings found
IAPMO · NSF/ANSI 42 · file W-11590
Qingdao Ecopure Filter Co. Ltd lists WD-10UA, WD-10UA-UF, WD-10UAW and 2 more
Aesthetic Chlorine · Taste and Odor
Open the listing · checked 16 Oct 2026
IAPMO · NSF/ANSI/CAN 372 · file W-13936
Qingdao Ecopure Filter Co. Ltd lists WD-10UA, WD-10UA-UF, WD-10UAW and 2 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: WD-10UA
- NSF listing search: Waterdrop
- WQA listing search: WD-10UA
- WQA listing search: Waterdrop
- IAPMO R&T listing directory