Whole-house well-water system · checked 16 Oct 2026
Aquasana Rhino Well Water with UV Whole House Water Filter
Model WH-WELL-UVS · replacement parts WH-WELLR, EQ-303-20, EQ-PFC.35, AQ-UV-L330C
Lead:not claimedPFAS:not claimed
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 |
|---|---|---|---|---|---|
| Bacteria | “The UV filter in our well system is NSF tested and certified tested to sterilize up to 99.8% of bacteria and viruses” brand source | NSF/ANSI 55, Class B | NSF (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 Bacteria. brand source | NSF/ANSI 55, Class B | NSF (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) | “The UV filter is independently tested to sterilize 99.99% of viruses and bacteria like E.coli, and 99% of chlorine-resistant cysts” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
How often Aquasana 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 |
|---|---|---|---|
| Rhino Well Water with UV replacement tank (WH-WELLR) | 5 years or 500,000 gallons“Rhino® Well Water with UV Replacement Tank Replace every 5 years Filters 500,000 gallons or up to 5 years for clean, great-tasting water” | 1 every 5 years | brand sourcechecked 16 Oct 2026 |
| 20" sediment pre-filter (EQ-303-20) | 2 months“20" Pre-Filter Replacement – 3 Pack Replace every 2 months” | 6 | brand sourcechecked 16 Oct 2026 |
| 10" post-filter (EQ-PFC.35) | 6 months“Post-Filter Replacement Replace every 6 months” | 2 | brand sourcechecked 16 Oct 2026 |
| UV replacement lamp (AQ-UV-L330C) | 12 months“UV Replacement Lamp Replace every 12 months” | 1 | brand 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: WH-WELL-UVS
- NSF listing search: WH-WELLR
- NSF listing search: Aquasana
- WQA listing search: WH-WELL-UVS
- WQA listing search: WH-WELLR
- WQA listing search: Aquasana
- IAPMO R&T listing directory
What the brand says about certification
- “The UV filter in our well system is NSF tested and certified tested to sterilize up to 99.8% of bacteria and viruses commonly found in well water.” source checked 16 Oct 2026
- “UV Filter is NSF tested and certified to NSF/ANSI Standard 55, Class B.” source checked 16 Oct 2026
- “System tested and certified by NSF international against NSF/ANSI 55 for Disinfection Performance, Class B.” source checked 16 Oct 2026
- “Independently tested to NSF/ANSI Standard 55 to sterilize 99.99% of bacteria and viruses and 99% of cysts.” source checked 16 Oct 2026
Performance data sheet (names NSF International)