Water Factory Systems CD-1500-S
A NSF-certified faucet-mount filter that is certified to reduce 1 contaminant at about 34.0¢ per gallon.
This listing is the certified replacement cartridge (the part you change on schedule), not a complete installed system. Its certification applies when used in the matching housing or system.
As an Amazon Associate we earn from qualifying purchases — disclosure. Price as of July 15, 2026; check Amazon for the current price.
You want on-demand filtered water at an existing faucet, cheaply and with no plumbing.
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 faucet-mount filter? A small unit that screws directly onto your existing faucet, with a switch for filtered or unfiltered water. Compare all filter types →
What it costs to own
| Upfront price | $102 |
| Replacement filter (CD-1500) | Find replacement → |
| Estimated yearly cost (filters, ~4×/yr) | ~$408/yr |
| True cost per gallon | 34.0¢ |
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 Water Factory Systems CD-1500-S 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) |
| Filter type | Faucet-mount filter |
| Rated capacity | 300 gallons |
| Flow rate | .5 gpm |
| Replacement element | CD-1500 |
| Installation | Screws onto the faucet. No tools. |
Frequently asked
Is the Water Factory Systems CD-1500-S NSF certified?
Yes — the Water Factory Systems CD-1500-S is listed in the NSF certified-product database under NSF/ANSI standard 42. That means an independent body verified its claims (not just "tested to" a standard).
What does the Water Factory Systems CD-1500-S remove?
It is certified to reduce 1 contaminants: Chlorine / chloramine.
How much does the Water Factory Systems CD-1500-S cost per gallon?
About 34.0¢ per gallon, based on its rated capacity of 300 gallons and current price.
How often do you replace the faucet-mount filter?
A faucet-mount filter like this is typically replaced about 4 times a year (replacement element CD-1500). Replace on schedule — a spent cartridge stops reducing contaminants.
Compare similar faucet-mount 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.