Multipure · Under-sink filter
Multipure Aquapremier: what it removes and what it costs
Model: Aquapremier below-sink, filter CBXT
The Multipure Aquapremier is certified (NSF/ANSI 42, NSF/ANSI 53, NSF/ANSI 401 and NSF P231) to reduce PFAS (PFOA), lead, chlorine, chloramine, arsenic and mercury and 4 more of the contaminants we track. For 2 people drinking and cooking with it, replacement filters cost about $108 a year.
10
certified reductions we track
53¢
filters per gallon at rated life
Price checked 2026-10-23. We may earn a commission.
What the Multipure Aquapremier removes
"Certified" means a certifier (NSF, WQA, IAPMO or CSA) lists this exact product for that reduction claim; the listing is linked. "Brand test only" means Multipure cites a lab report but no certifier lists the claim. See certified vs. tested.
| Contaminant | Status | Evidence |
|---|---|---|
| PFAS | Certified | NSF listing, NSF/ANSI 53 ("PFOA") |
| Lead | Certified | NSF listing, NSF/ANSI 53 ("Lead") |
| Chlorine | Certified | NSF listing, NSF/ANSI 42 ("Chlorine") |
| Chloramine | Certified | NSF listing, NSF/ANSI 42 ("Chloramine") |
| Arsenic | Certified | NSF listing, NSF/ANSI 53 ("Arsenic (Pentavalent)") |
| Mercury | Certified | NSF listing, NSF/ANSI 53 ("Mercury") |
| Microplastics | Certified | NSF listing, NSF/ANSI 401 ("Microplastics") |
| Cysts | Certified | NSF listing, NSF/ANSI 53 ("Cyst") |
| VOCs | Certified | NSF listing, NSF/ANSI 53 ("VOCs") |
| Bacteria and viruses | Certified | NSF listing, NSF P231 ("Bacteria") |
Not verified, either way (no certification or brand claim): Fluoride, Nitrate, Chromium 6, TDS, Iron, Copper, Uranium, 1,4-dioxane.
What it costs to run
Yearly cost = replacements per year × filter price, for each filter it uses; a filter is replaced at its gallon rating or its month limit, whichever comes first. Water use: drinking and cooking water (0.28 gallons per person a day, EPA's average adult intake).
| Household | Gallons a year | Filters a year | Total a year | Per gallon |
|---|---|---|---|---|
| 1 person | 102 | $54 | $54 | 53¢ |
| 2 people | 204 | $108 | $108 | 53¢ |
| 4 people | 409 | $216 | $216 | 53¢ |
Replacement filters
| Filter | Rated life (gallons) | Rated life (months) | Price |
|---|---|---|---|
| Aquapremier Filter CBXT | 340 Source note | — Source noteBrand gives gallons only; autoship options run 6-18 months | $180.00 Source noteList price; autoship saves 15% multipure.com |
Specs
- Type
- Under-sink filter
- Price
- $965
Source note
AQUAPREMIER $895 (filter system only) + below-sink kit with standard chrome faucet $70 = $965; below-sink kit without faucet is +$45. No sale/MSRP shown, seen 2026-10-23 multipure.com
- Installation
- DIY (under-sink or inline fittings)
- Flow rate
- 0.71 gal/min
Source note
Brand specifications; same in NSF listing multipure.com
- Needs power
- No
Compare the Multipure Aquapremier
Common questions
What does the Multipure Aquapremier remove?
The Multipure Aquapremier is certified (NSF/ANSI 42, NSF/ANSI 53, NSF/ANSI 401 and NSF P231) to reduce PFAS (PFOA), lead, chlorine, chloramine, arsenic and mercury and 4 more of the contaminants we track. For 2 people drinking and cooking with it, replacement filters cost about $108 a year.
Does the Multipure Aquapremier remove PFAS?
Yes. It is certified for PFOA reduction under NSF/ANSI 53 (NSF listing).
How much does the Multipure Aquapremier cost to run?
About $108 a year for 2 people ($54 for 1, $216 for 4), counting replacement filters, for drinking and cooking water (0.28 gallons per person a day, EPA's average adult intake).
Data checked 2026-10-23. 102 filters tracked.