Clearly Filtered 3-Stage Under the Sink System review

By Daryna Klochko · Published · Specs checked Oct 13, 2026 ·
Clearly Filtered 3-Stage Under the Sink System
Clearly Filtered 3-Stage Under the Sink System, photo 2 of 4
Clearly Filtered 3-Stage Under the Sink System, photo 3 of 4
Clearly Filtered 3-Stage Under the Sink System, photo 4 of 4
1 / 4
Clearly Filtered 3-Stage Under the Sink System
Clearly Filtered 3-Stage Under the Sink System, photo 2 of 4
Clearly Filtered 3-Stage Under the Sink System, photo 3 of 4
Clearly Filtered 3-Stage Under the Sink System, photo 4 of 4
8.75OF 10
Very good
Listing 1.75 · Specs 1.75 · Cost/yr 1.5 · Warranty & returns 2 · Owner reviews 1.75 · How we score
Verdict

Scores 8.75/10, last of the 32 under-sink filters we track. At $550 it costs 2.8 times the category median of $199.50. Its cartridge cost of about $455 a year is the highest of the 32 under-sink filters with a stated cartridge cost. Its 2-year warranty is longer than the 1-year category median.

Skip if

You need a certified health claim: its listing covers chlorine, taste and odor only, unlike 29 of the 32 under-sink filters

Price
$550
Certified for
Chlorine
Flow
Not stated
Cartridge life
12-month cartridge
Cost per year
$455
Warranty
2 years (limited)

Certification

Certified 42

Listed by WQA under NSF/ANSI 42 for Chlorine, checked Oct 13, 2026. Clearly Filtered also claims 3 more substances that are not in the listing. Search the WQA listings

  • Chlorine

Clearly Filtered also claims Lead, PFOA/PFOS, Fluoride: brand claims, not in a certifier listing.

The contaminants or other substances removed or reduced by this water treatment device are not necessarily in your water. Listing checked on Oct 13, 2026. What a listing means and what it doesn't

Specs and sources

Checked Oct 13, 2026 · source under each value
Filtration
Certification Certified by WQA to NSF/ANSI 42 (listing checked Oct 13, 2026) WQA listing · Oct 13, 2026
Certified to reduce Chlorine WQA listing · Oct 13, 2026
Brand claims, not in the listing Lead, PFOA/PFOS, Fluoride clearlyfiltered.com
Cartridges and install
Cartridge life Every 12 months for 2–3 people (brand figure; 9 months for 4+, 15 months for 1) clearlyfiltered.com
Cartridge price $455 for the 3-filter set ($409.50 on subscription) clearlyfiltered.com
Cost per year About $455 a year in cartridges at the brand's price clearlyfiltered.com
Install Connects under the sink to your existing faucet; no second faucet clearlyfiltered.com
Buying
Price $550 ($495 with a subscription) (checked Oct 13, 2026) clearlyfiltered.com
Warranty 2 years (limited; filters excluded) clearlyfiltered.com
Returns 30 days clearlyfiltered.com
Brand page Certifier listing

Warranty, returns and shipping

Warranty 2 years (limited)

2 years (limited; filters excluded).

Returns 30 days
Shipping Not stated

Warranty: 2 years (limited; filters excluded). Returns: 30 days. Shipping: not stated by the brand. Source: clearlyfiltered.com, checked Oct 13, 2026.

Source: clearlyfiltered.com, checked Oct 13, 2026.

Compared with similar under-sink filters

All 32 under-sink filters →
Certified for: Lead · Cysts +4 · Warranty: 1 yearScore 9.25/10
$435.97 See specs →
Certified for: Lead · Cysts +3 · Warranty: 1 yearScore 9.5/10
$439.69 See specs →
Certified for: Lead · Cysts +2 · Warranty: 1 yearScore 10/10
$455.89 See specs →
Certified for: Lead · Cysts +8 · Warranty: 1 yearScore 9.75/10
$549.51 See specs →
Clearly Filtered 3-Stage Under the Sink SystemTHIS MODEL
Certified for: Chlorine · Warranty: 2 years (limited)Score 8.75/10
Similar models compared: price, certified for, cost per year, warranty, score.
ModelPriceCertified forCost per yearWarrantyScoreWhere to buy
3M Aqua-Pure AP-DWS1000 Under Sink System $435.97Lead · Cysts +4$3461 year 9.25/10 See specs →
Everpure H-300 Drinking Water System $439.69Lead · Cysts +3$1991 year 9.5/10 See specs →
Everpure H-104 Drinking Water System $455.89Lead · Cysts +2$1091 year 10/10 See specs →
Everpure H-300-NXT Drinking Water System $549.51Lead · Cysts +8$1771 year 9.75/10 See specs →
Clearly Filtered 3-Stage Under the Sink SystemTHIS MODEL $550Chlorine$4552 years (limited) 8.75/10 Check price →
Daryna Klochko

Affiliate links

$550
Checked Oct 13, 2026
Check price at Clearly Filtered
Affiliate link