Instapure ESSENTIALS F2 Faucet Water Filter (F2)
Listings checked Oct. 16, 2026
Maker’s list price
$24
as of Oct. 16, 2026
Each replacement, at list price
- Replacement filter (R2)
- $20
Five years, household of 3
$563
10¢ per gallon
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List price from the maker’s site, checked Oct. 16, 2026. Prices change; the maker’s page is the final word.
What the listings say
| Standard | Certifier | Claims | Listing |
|---|---|---|---|
| NSF/ANSI 42 | WQA | Aesthetic Chlorine; Taste and Odor | Read the listing checked Oct. 16, 2026 |
Certified for, and claimed
Certified, by a listing
Claimed by the maker only
None recorded.
What it costs over five years
Household of 3, 3 gallons a day of drinking and cooking water. Installation not included.
| Item | Replaced | Count | Amount |
|---|---|---|---|
| System, with first media | — | 1 | $24 |
| Replacement filter (R2) | Every 2 monthsgallon rating runs out first | 27 | $539 |
Five-year total$563
Per gallon10¢
Worth knowing
WQA lists it under NSF/ANSI 42 only, for chlorine, taste and odor: no lead claim. Price recorded is the white model with a clear cap; the chrome versions are $25.95 and $27.95. The R2 is also sold in 2- and 4-packs, at $22.95 and $29.95; the single price is recorded.
Where to go next
- Every faucet filter, rankedBy what their listings cover, then what each costs over five years.The best faucet water filters, ranked
- Your household’s costThe five-year cost at your own household size and daily use.Run it for your household
- NSF/ANSI 42, decodedWhat a NSF/ANSI 42 listing does and does not promise.About NSF/ANSI 42
- Every filter, checkedSide by side, with what each one can prove.All filters