Southeastern SFES Pro TOS-16 Dual
A NSF-certified commercial filter that is certified to reduce 1 contaminant.
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.
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A commercial / foodservice water treatment unit.
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 it costs to own
| Upfront price | Check on Amazon → |
| Replacement filter (TOS-16) | 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 Southeastern SFES Pro TOS-16 Dual 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 | Commercial filter |
| Rated capacity | 30,000 gallons |
| Flow rate | 4 gpm |
| Replacement element | TOS-16 |
| Installation | Commercial installation. |
Frequently asked
Is the Southeastern SFES Pro TOS-16 Dual NSF certified?
Yes — the Southeastern SFES Pro TOS-16 Dual 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 Southeastern SFES Pro TOS-16 Dual remove?
It is certified to reduce 1 contaminants: Chlorine / chloramine.
How often do you replace the commercial filter?
A commercial filter like this is typically replaced about 2 times a year (replacement element TOS-16). Replace on schedule — a spent cartridge stops reducing contaminants.
Compare similar commercial 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.