Aquamor WaterSentinel WSG-1
A NSF-certified refrigerator filter that is certified to reduce 2 contaminants.
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You want filtered water and ice from your fridge dispenser with zero installation.
Certified to reduce 2 contaminants.
Convenient, but the cost per gallon is higher than an under-sink system, and you'll replace the cartridge about 2× a year.
What is refrigerator filter? The snap-in cartridge that filters the water and ice from your refrigerator’s dispenser. Compare all filter types →
What it costs to own
| Upfront price | Check on Amazon → |
| Replacement filter (WSG-1) | Find replacement → |
| Estimated yearly cost (filters, ~2×/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 Aquamor WaterSentinel WSG-1 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) · 53 — certified for health contaminants such as lead, VOCs, and cysts |
| Filter type | Refrigerator filter |
| Rated capacity | 300 gallons |
| Flow rate | .5 gpm |
| Replacement element | WSG-1 |
| Installation | Snaps into your refrigerator. No tools. |
Frequently asked
Is the Aquamor WaterSentinel WSG-1 NSF certified?
Yes — the Aquamor WaterSentinel WSG-1 is listed in the NSF certified-product database under NSF/ANSI standards 42, 53. That means an independent body verified its claims (not just "tested to" a standard).
What does the Aquamor WaterSentinel WSG-1 remove?
It is certified to reduce 2 contaminants: Chlorine / chloramine, Volatile organics.
How often do you replace the refrigerator filter?
A refrigerator filter like this is typically replaced about 2 times a year (replacement element WSG-1). Replace on schedule — a spent cartridge stops reducing contaminants.
Compare similar refrigerator 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.