Independent product analysis
Whirlpool Filter 3 Refrigerator Water Filter (WHR3RXD1)
The strongest refrigerator filter we found: lead, PFOA/PFOS and TTHM (NSF/ANSI 53) plus microplastics (NSF/ANSI 401). It fits Filter 3 refrigerators only.
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Refrigerator Filter · Activated Carbon · Whirlpool
Product recordBest suited forIf your Whirlpool or KitchenAid refrigerator takes Filter 3: certified to NSF/ANSI 53 for lead and PFOA/PFOS, plus NSF/ANSI 401 microplastics.
Verified certifications Distinct certification standards on current, registry-checked evidence for this exact product. See Certification and claim scope below.3
Typical upkeep$25/year
PurityMap analysisThis profile evaluates where the product record fits, what its listed technology can address, and the constraints a household should check before buying.
Bottom line
The strongest refrigerator filter we found: lead, PFOA/PFOS and TTHM (NSF/ANSI 53) plus microplastics (NSF/ANSI 401). It fits Filter 3 refrigerators only.
Match factors
- NSF/ANSI 53 certified for lead and PFOA/PFOS
- NSF/ANSI 401 microplastics
Watch-outs
- Fits Filter 3 refrigerators only
- Treats fridge water and ice only
Assessment basis: Certification checked against the NSF listings for Whirlpool (NSF/ANSI 53, 42 and 401, WHR3RXD1 element) on 2026-10-07.
Which water problems is this relevant to?Each target in PurityMap’s evidence register for this product, with its state. Relevance starts with a documented water problem, then the treatment technology, then a product whose exact, current certification covers that target.
- Lead Eligible · NSF/ANSI 53
- PFOA Eligible · NSF/ANSI 53
- PFOS Eligible · NSF/ANSI 53
- TTHM Eligible · NSF/ANSI 53
- Mercury Eligible · NSF/ANSI 53
- MTBE Eligible · NSF/ANSI 53
- Cyst Eligible · NSF/ANSI 53
- Asbestos Eligible · NSF/ANSI 53
- VOC (chloroform surrogate) Eligible · NSF/ANSI 53
- Chlorine taste/odor Eligible · NSF/ANSI 42
- Particulate Eligible · NSF/ANSI 42
- Microplastics Eligible · NSF/ANSI 401
Reported water finding→Activated Carbon→Whirlpool Filter 3 Refrigerator Water Filter (WHR3RXD1)
A capability listed here does not mean that contaminant is present in your water. Find your water system before deciding what treatment is relevant.
Certification and claim scope
One row per target in PurityMap's evidence register. Eligible means a current certification record for this exact product covers that target, checked in the certifier's registry within the last 90 days. Not established always comes with the reason.
| Target | Evidence | Certification | Checked |
|---|---|---|---|
| Lead | ✓ Eligible | NSF · NSF/ANSI 53NSF Whirlpool NSF/ANSI 53 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
| PFOA | ✓ Eligible | NSF · NSF/ANSI 53NSF Whirlpool NSF/ANSI 53 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
| PFOS | ✓ Eligible | NSF · NSF/ANSI 53NSF Whirlpool NSF/ANSI 53 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
| TTHM | ✓ Eligible | NSF · NSF/ANSI 53NSF Whirlpool NSF/ANSI 53 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
| Mercury | ✓ Eligible | NSF · NSF/ANSI 53NSF Whirlpool NSF/ANSI 53 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
| MTBE | ✓ Eligible | NSF · NSF/ANSI 53NSF Whirlpool NSF/ANSI 53 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
| Cyst | ✓ Eligible | NSF · NSF/ANSI 53NSF Whirlpool NSF/ANSI 53 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
| Asbestos | ✓ Eligible | NSF · NSF/ANSI 53NSF Whirlpool NSF/ANSI 53 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
| VOC (chloroform surrogate) | ✓ Eligible | NSF · NSF/ANSI 53NSF Whirlpool NSF/ANSI 53 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
| Chlorine taste/odor | ✓ Eligible | NSF · NSF/ANSI 42NSF Whirlpool NSF/ANSI 42 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
| Particulate | ✓ Eligible | NSF · NSF/ANSI 42NSF Whirlpool NSF/ANSI 42 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
| Microplastics | ✓ Eligible | NSF · NSF/ANSI 401NSF Whirlpool NSF/ANSI 401 listing (WHR3RXD1 element) | checked 2026-10-07 · recheck due 2027-01-05 |
Not suitable for
- Treating every tap in the home
- A whole-home hard-water or scale problem
- All PFAS: its evidence covers only the compounds it names
Test first
- Plumbing inside a home can add lead that the system record can't show. A tap test tells you what reaches your glass.
- A tap test can confirm levels at your home before you choose treatment.
Installation, ownership, and maintenanceCapacity and upkeep are planning figures from the product record, not guarantees. Actual replacement timing depends on use, influent water, flow, and manufacturer instructions.
ManufacturerWhirlpool
Model numberWHR3RXD1
Installation formatRefrigerator Filter
DimensionsCartridge inside a compatible refrigerator
Typical annual upkeep$25
Limitations and tradeoffs
- Fits only Whirlpool and KitchenAid refrigerators that take Filter 3.
- Treats refrigerator water and ice only, not a kitchen tap.
- Third-party clone filters are not covered by this listing.
- Only for compatible refrigerators
- Replace on the refrigerator’s filter schedule
No filter treats every water problem. This analysis does not replace household testing, installation requirements, or the manufacturer’s current performance data sheet.