US Water Systems · Whole-house
US Water Systems Matrixx catalytic carbon backwashing: what it removes and what it costs
Model: Matrixx Smart Whole House Backwashing Catalytic Carbon Filter 081-MXF-CX-100 (5 GPM; also 10/15/20 GPM sizes)
The US Water Systems Matrixx catalytic carbon backwashing has no certifier listing for any of the contaminants we track. US Water Systems also claims chlorine, chloramine and VOCs from lab tests that are not certification. For 2 people drinking and cooking with it, replacement filters cost about $79 a year.
0
certified reductions we track
—
filters per gallon at rated life
Price checked 2026-10-23. We may earn a commission.
What the US Water Systems Matrixx catalytic carbon backwashing 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 US Water Systems cites a lab report but no certifier lists the claim. See certified vs. tested.
| Contaminant | Status | Evidence |
|---|---|---|
| Chlorine | Brand test only | Brand claim (no lab named): "Chloramines, chlorine, VOCs, THMs, pesticides" |
| Chloramine | Brand test only | Brand claim (no lab named): "Chloramines, chlorine, VOCs, THMs, pesticides" |
| VOCs | Brand test only | Brand claim (no lab named): "Chloramines, chlorine, VOCs, THMs, pesticides" |
Not verified, either way (no certification or brand claim): PFAS, Lead, Fluoride, Arsenic, Nitrate, Chromium 6, Mercury, Microplastics, Cysts, TDS, Bacteria and viruses, 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: all indoor water (58.6 gallons per person a day).
| Household | Gallons a year | Filters a year | Total a year | Per gallon |
|---|---|---|---|---|
| 1 person | 21,389 | $79 | $79 | 0.4¢ |
| 2 people | 42,778 | $79 | $79 | 0.2¢ |
| 4 people | 85,556 | $79 | $79 | 0.1¢ |
Replacement filters
| Filter | Rated life (gallons) | Rated life (months) | Price |
|---|---|---|---|
| Carb-Cat catalytic GAC media, 1 cu ft | — | 60 est. Source note'typically lasts 5+ years' uswatersystems.com | $393.26 Source noteCompare-at $393.26; sale $235.95 seen 2026-10-23 uswatersystems.com |
Specs
- Type
- Whole-house
- Price
- $2,209
Source note
Compare-at $2,209.17; sale $1,325.50 seen 2026-10-23 (5 GPM). 20 GPM: $2,959.17 / sale $1,775.50. uswatersystems.com
- Installation
- Plumber recommended
- Flow rate
- 5 gal/min
Source note
5 GPM max (1.0 cu ft, 9x48 tank); 10/15/20 GPM sizes available. Backwashes every 1-2 weeks on city water. uswatersystems.com
- Needs power
- Yes
Compare the US Water Systems Matrixx catalytic carbon backwashing
Common questions
What does the US Water Systems Matrixx catalytic carbon backwashing remove?
The US Water Systems Matrixx catalytic carbon backwashing has no certifier listing for any of the contaminants we track. US Water Systems also claims chlorine, chloramine and VOCs from lab tests that are not certification. For 2 people drinking and cooking with it, replacement filters cost about $79 a year.
Does the US Water Systems Matrixx catalytic carbon backwashing remove PFAS?
It has no certifier listing or brand claim for PFAS reduction.
How much does the US Water Systems Matrixx catalytic carbon backwashing cost to run?
About $79 a year for 2 people ($79 for 1, $79 for 4), counting replacement filters, for all indoor water (58.6 gallons per person a day).
Data checked 2026-10-23. 102 filters tracked.