Pentair EVERPURE RESIDENTIAL H-104
A NSF-certified under-sink filter that is certified to reduce 0 contaminants at about 14.8¢ 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 August 20, 2026; check Amazon for the current price.
You want strong contaminant reduction at the kitchen tap without a countertop unit, and are comfortable with a simple under-cabinet install.
Certified to reduce 0 contaminants.
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 under-sink filter? A carbon-based cartridge (or set of stages) plumbed under your kitchen sink that filters the cold drinking-water line. Compare all filter types →
What it costs to own
| Upfront price | $147.72 |
| Replacement filter (H-104) | Find replacement → |
| Estimated yearly cost (filters, ~1.5×/yr) | — |
| True cost per gallon | 14.8¢ |
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.
Full specifications
| Certified by | NSF |
| NSF/ANSI standards | 401 — reduces emerging contaminants such as pharmaceuticals and pesticides |
| Filter type | Under-sink filter |
| Rated capacity | 1,000 gallons |
| Flow rate | .5 gpm |
| Replacement element | H-104 |
| Installation | Mounts under the sink; connects to the cold line. Basic DIY. |
Frequently asked
Is the Pentair EVERPURE RESIDENTIAL H-104 NSF certified?
Yes — the Pentair EVERPURE RESIDENTIAL H-104 is listed in the NSF certified-product database under NSF/ANSI standard 401. That means an independent body verified its claims (not just "tested to" a standard).
What does the Pentair EVERPURE RESIDENTIAL H-104 remove?
It is certified to reduce 0 contaminants: .
How much does the Pentair EVERPURE RESIDENTIAL H-104 cost per gallon?
About 14.8¢ per gallon, based on its rated capacity of 1,000 gallons and current price.
How often do you replace the under-sink filter?
A under-sink filter like this is typically replaced about 2 time a year (replacement element H-104). Replace on schedule — a spent cartridge stops reducing contaminants.
Compare similar under-sink 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.