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U.S. household filtration
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System-type illustration
Faucet mount

PUR
Faucet system FM3333B

System model FM3333B

FM3333B is listed with RF3375 and RF9999 faucet filters, each rated for 100 gallons or three months. Select the installed cartridge to view its own reduction claims.

Model listed verbatim in manufacturer performance sheet. Legacy models may remain useful for replacement matching.

Document review ·

Rated capacity
100 gal
Service flow
0.52 gpm
Replacement items
1
01 / THE EXACT CONFIGURATION

Replacement filters

Claims below apply to FM3333B + RF3375 as a complete configuration. Physical fit alone does not establish certified performance.

RF3375Replacement filter · Faucet filter

100 gallons / 3 months. Replace at the earlier of the documented volume or time limit; follow source instructions for any earlier replacement triggers. Capacity / component source

Capacity and flow from page 1. Three-month replacement guidance from pur.com/pds/. VOC is a surrogate-tested group. Total PFAS is the source-defined claim, not a claim for all PFAS.

02 / DOCUMENTED PERFORMANCE

Reduction claims

IAPMO certification stated in the manufacturer document. The registry was not independently checked. Only captured source-supported claims are shown; laboratory performance is not a guarantee for your water.

Reduction claimNSF/ANSIEvidence
Chlorine42Source ↗
Particulate Class I42Source ↗
Lead53Source ↗
Mercury53Source ↗
Total PFAS53Source ↗
VOC53Source ↗
Atenolol401Source ↗
Bisphenol A401Source ↗
Carbamazepine401Source ↗
DEET401Source ↗
Estrone401Source ↗
Ibuprofen401Source ↗
Linuron401Source ↗
Meprobamate401Source ↗
Metolachlor401Source ↗
Microplastics401Source ↗
Naproxen401Source ↗
Nonyl phenol401Source ↗
Phenytoin401Source ↗
TCPP401Source ↗
Trimethoprim401Source ↗

Materials & structural scope

No separate materials-only record captured. This does not mean the system lacks materials certification.

Unlisted contaminants have no captured claim here. An absent catalog claim does not prove absence of certification.

REPLACEMENT BUDGET

Annual filter cost

Incomplete estimate365 gallons / year · all 1 replacement item
  • RF3375 · 4 units / yearPrice or schedule needed

An annual total is shown only when every replacement item has a price and at least one verified replacement limit.

For each item: round up the larger of annual water use ÷ capacity and 12 ÷ replacement months, then multiply by quantity and unit price. This conservative full-year budget does not credit the filters supplied with a new system. Multi-pack prices are allocated per filter; buying whole packs can cost more. It excludes system purchase, hardware, optional upgrades, shipping, tax, labor, water and electricity. Editable prices are your assumptions.

03 / FOLLOW THE SOURCE

Evidence & review

Reviewed 2026-09-21 · Codex document review. Document review, not independent laboratory testing.

Checked model list, exact replacement identifier, certification statement, table columns and applicable footnotes against archived source. Capacity and flow from page 1. Three-month replacement guidance from pur.com/pds/. VOC is a surrogate-tested group. Total PFAS is the source-defined claim, not a claim for all PFAS.

manufacturer document · ACCESSED 2026-09-21
PUR faucet filters performance data, October 2025 revision

Linked from pur.com/pds/. RF3375 and RF9999 share the listed reduction table. IAPMO conformance statement.

manufacturer document · ACCESSED 2026-09-21
PUR official replacement intervals

Two months for pitchers and dispensers; three months for faucet filters. Performance PDFs establish gallon limits.

RF3375: Price not verified. PUR lists this genuine replacement and pack options, but publishes no direct-sale price on the captured page. Enter the price per filter from your retailer, after dividing a multi-pack price by its count.

manufacturer document · ACCESSED 2026-09-21
PUR faucet filter manufacturer listing

The public manufacturer page offers retailer purchase links and pack choices but no numeric direct-sale price.

Read the verification method

Follow the source document’s water-quality limits and conditions of use. Household filtration does not replace required disinfection.