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Countertop reverse osmosis · checked 16 Oct 2026

APEC Water Portable Alkaline Mineral 90 GPD Countertop Reverse…

Model RO-CTOP-PHC · replacement parts CT-1SED, CT-24CAB, MEM-90, FI-PHPLUS-QC

Lead:Brand claim onlyPFAS:Brand claim only

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.
ContaminantBrand claimStandardCertifierConfirmed?Source, date checked
Lead“Removes up to 99% of total dissolved solids (TDS) and contaminants such as arsenic, lead, fluoride, chromium, radium, bacteria, viruses and much more.” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
PFOA“Shown to Reduce the Following: … ✔ Perfluorooctanoic Acid (PFOA)” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
PFOS“Shown to Reduce the Following: … ✔ Perfluorooctanesulfonic Acid (PFOS)” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
PFAS (no compounds named)“Shown to Reduce the Following: … ✔ Per-and Polyfluoroalkyl Substances (PFAS)” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
Total dissolved solids (TDS)Same statement as for Lead. brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
ArsenicSame statement as for Lead. brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
FluorideSame statement as for Lead. brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
BacteriaSame statement as for Lead. brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
VirusesSame statement as for Lead. brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
Chlorine“coconut shell activated carbon filter —gets rid of unpleasant chlorine, odors, cloudiness, & colors.” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
VOCs (volatile organic chemicals)“Also removes VOCs and other common chemicals from the water.” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
Chloramine“Shown to Reduce the Following: … ✔ Chloramines” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
Nitrate“Shown to Reduce the Following: … ✔ Nitrate” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
Chromium-6“Shown to Reduce the Following: … ✔ Chromium-6” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
Trihalomethanes (TTHM)“Shown to Reduce the Following: … ✔ Total Trihalomethanes (TTHM)” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
Cysts (Giardia, Cryptosporidium)“Shown to Reduce the Following: … ✔ Cysts” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
Pharmaceuticals“Shown to Reduce the Following: … ✔ Pharmaceuticals” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
Iron“Shown to Reduce the Following: … ✔ Iron 2” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026
Manganese“Shown to Reduce the Following: … ✔ Manganese 2” brand source––Brand claim — no certification citedbrand pagechecked 16 Oct 2026

Filter changes, by the brand’s numbers

How often APEC Water says to replace each part. Real filter life depends on how much water you use and what is in it.

PartBrand says replace everyChanges a yearSource, date checked
Stage 1 sediment (CT-1SED) and Stage 2 carbon (CT-24CAB) pre-filtersThe brand gives more than one figure for this part.6–8 months or 600–800 gallons“Change every 6-8 months or after 600-800 gal pure water used”6 months“Virtually no maintenance. Just change 2 pre-filters about every 6 months”1.5–2 or 2brand sourcechecked 16 Oct 2026brand sourcechecked 16 Oct 2026
Stage 3 RO membrane (MEM-90)The brand gives more than one figure for this part.2–3 years“Stage-3 Membrane: City Water: Replace every 2-3 years depending on input water quality, water usage, and pre-filters change maintenance.”2 years“Private Well Water: Replace every 2 years depending on well water quality, and pre-filters change maintenance.”1 every 2–3 years or 1 every 2 yearsbrand sourcechecked 16 Oct 2026brand sourcechecked 16 Oct 2026
Stage 4 alkaline mineral post-filter (FI-PHPLUS-QC)6–12 months“Stage-4 Post-Filter: ... For RO-CTOP-PHC System: Replace every 6-12 months.”1–2brand 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:

What the brand says about certification

  • “Our certified RO systems guarantee ultra safe and clean drinking water for your family” source checked 16 Oct 2026
  • “We build, inspect and lab test every ULTIMATE RO-CTOP-PHC system in our US facility.” source checked 16 Oct 2026

How we decide “certified” · All filters