North Star NSCWC
A NSF-certified whole-house filter that is certified to reduce 3 contaminants.
As an Amazon Associate we earn from qualifying purchases — disclosure. Price as of July 15, 2026; check Amazon for the current price.
You want every tap and shower treated — best for chlorine, sediment, and taste across the whole home.
Certified for taste, odor, and chlorine (an aesthetic filter).
This is an aesthetic-standard filter (NSF 42) — it improves taste and reduces chlorine, but is not certified for health contaminants like lead or PFAS.
What is whole-house system? A point-of-entry system installed on your main water line, treating every tap and shower in the house. Compare all filter types →
What it costs to own
| Upfront price | $1,249.99 |
| Replacement filter (N/A) | Find replacement → |
| Estimated yearly cost (filters, ~1×/yr) | — |
| True cost per gallon | — |
Cost per gallon and yearly cost are our estimates from the rated capacity and current prices. The filter only works if you replace it on schedule.
What it's certified to remove
Certification is per-contaminant: the North Star NSCWC is credited only for the contaminants listed here, verified by NSF. It does not imply removal of anything not listed.
✓ Verify this certification on the official NSF listing →
Full specifications
| Certified by | NSF |
| NSF/ANSI standards | 42 — reduces taste, odor, and chlorine (aesthetic standard) · 44 — water softener — reduces hardness (calcium/magnesium) |
| Filter type | Whole-house system |
| Rated capacity | 570,000 gallons |
| Flow rate | 8 gpm |
| Replacement element | N/A |
| Installation | Point-of-entry install on the main line. Usually a plumber. |
Frequently asked
Is the North Star NSCWC NSF certified?
Yes — the North Star NSCWC is listed in the NSF certified-product database under NSF/ANSI standards 42, 44. That means an independent body verified its claims (not just "tested to" a standard).
What does the North Star NSCWC remove?
It is certified to reduce 3 contaminants: Barium, Chlorine / chloramine, Radium.
How often do you replace the whole-house filter?
A whole-house filter like this is typically replaced about 1 time a year (replacement element N/A). Replace on schedule — a spent cartridge stops reducing contaminants.
Compare similar whole-house filters
Source: NSF public certification listing. Specs and certified claims are from the official listing; cost figures are our estimates. Some links are affiliate links — see our disclosure.