Whole-house filter · checked 16 Oct 2026
3M Aqua-Pure AP900 Series Whole House Water Filtration System AP903
Model AP903 · replacement filter AP917HD
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 |
|---|---|---|---|---|---|
| Chlorine | “Looking to reduce chlorine taste and odor in your home’s water? Select the 3M Aqua-Pure 903 Whole House Water Filtration System” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Particulates | “an activated carbon filter with a nominal heavy duty particulate reduction rating of 5 microns.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
How often 3M Aqua-Pure 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 |
|---|---|---|---|
| AP917HD whole-house replacement cartridge | 1 year“Replacement cartridge provides approximately one year of cartridge life, depending on water quality conditions” | 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: AP903
- NSF listing search: AP917HD
- NSF listing search: Aqua-Pure
- WQA listing search: AP903
- WQA listing search: AP917HD
- WQA listing search: Aqua-Pure
- IAPMO R&T listing directory
What the brand says about certification
- “Third-party certifications, such as NSF and WQA, are a quality advantage we strive to provide on many 3M water quality improvement solutions.” source checked 16 Oct 2026