Skip to content
FilterScored

Replacement filter · under sink water filter

Clearly Filtered 3-Stage Under-Sink: replacement cartridge

Here is the exact cartridge the Clearly Filtered 3-Stage Under-Sink takes, its current price, how often to replace it, and what that works out to - ~$251/yr (about 1,100 gal) on our engine's math, not a guess.

What it costs to keep running

Annual cost
$251/yr
Cost per gallon
$0.228

This is the same figure our scoring engine uses on the Clearly Filtered 3-Stage Under-Sink scorecard, computed from each cartridge's price and rated gallons across every stage. Prices last checked 2026-08-16.

The cartridge it takes

3-Stage Under-Sink Replacement Set (CF-UTSF)

$455.00

Price from clearlyfiltered.com, not a live price.

Replace
rated 2,000 gallons
Price checked
2026-08-16

This model takes the brand cartridge; we found no confirmed generic equivalent, so buy the part that matches the number above.

Reorder links are Amazon affiliate links: FilterScored earns a commission at no extra cost to you. Affiliate relationships never influence a score, which is computed by an engine from published specs and verified certifications.

Prices and part numbers are the ones we last verified from the manufacturer or a retailer listing on the dates shown; check the current price at the link before reordering. The annual figure is our engine's computation from that data, not a statement of what you will pay.

Stay in the loop

From FilterScored

Updates from FilterScored, when there is something worth sharing.