AquaTru Under Sink Reverse Osmosis review

By Daryna Klochko · Published · Specs checked Oct 13, 2026 ·
AquaTru Under Sink Reverse Osmosis
AquaTru Under Sink Reverse Osmosis, photo 2 of 3
AquaTru Under Sink Reverse Osmosis, photo 3 of 3
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AquaTru Under Sink Reverse Osmosis
AquaTru Under Sink Reverse Osmosis, photo 2 of 3
AquaTru Under Sink Reverse Osmosis, photo 3 of 3
9.75OF 10
Outstanding
Listing 2 · Specs 2 · Cost/yr 2 · Warranty & returns 2 · Owner reviews 1.75 · How we score
Verdict

Scores 9.75/10, tied for 1st of the 20 RO systems we track. At $395 it costs less than the category median of $459.99. Its cartridge cost of about $130 a year is below the $205-a-year median of the 19 RO systems with a stated cartridge cost.

Best for

The widest listing: 10 substances in the IAPMO listing, tied for the most among the 20 RO systems

Price
$395
Certified for
Lead · Cysts · VOCs +8
Flow
0.06 gpm
Cartridge life
360 gal
Cost per year
$130
Warranty
1 year

Certification

Certified 42 · 53 · 58 · 401

Listed by IAPMO under NSF/ANSI 42 · 53 · 58 · 401 for Chlorine, Chloramine, Lead, Cysts, VOCs, PFOA/PFOS, Microplastics, TDS, Arsenic, Fluoride, checked Oct 13, 2026. Search the IAPMO listings

  • Chlorine
  • Chloramine
  • Lead
  • Cysts
  • VOCs
  • PFOA/PFOS
  • Microplastics
  • TDS
  • Arsenic
  • Fluoride

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 IAPMO to NSF/ANSI 42 · 53 · 58 · 401 (listing checked Oct 13, 2026) IAPMO listing · Oct 13, 2026
Certified to reduce Chlorine, Chloramine, Lead, Cysts, VOCs, PFOA/PFOS, Microplastics, TDS, Arsenic, Fluoride, Nitrate/nitrite IAPMO listing · Oct 13, 2026
Flow rate, brand figure 0.06 gpm rated (performance data sheet); 54 gallons per day AquaTru data sheet
Cartridges and install
Cartridge life Pre/carbon 6 months or 360 gal, VOC 12 months or 360 gal, RO 24 months or 1,200 gal AquaTru data sheet
Cartridge price 2-year filter pack $259.65 AquaTru data sheet
Cost per year About $130 a year in cartridges at the brand's price AquaTru data sheet
Install Under the sink with a 1.7-gallon tank; needs a faucet hole and a drain line AquaTru data sheet
Buying
Price $395 (checked Oct 13, 2026) aquatru.com
Warranty 1 year AquaTru data sheet
Returns 30 days AquaTru data sheet
Brand page Certifier listing

Warranty, returns and shipping

Warranty 1 year
Returns 30 days
Shipping Not stated

Warranty: 1 year. Returns: 30 days. Shipping: not stated by the brand. Source: AquaTru data sheet, checked Oct 13, 2026.

Source: AquaTru data sheet, checked Oct 13, 2026.

Compared with similar RO systems

All 20 RO systems →
Certified for: Brand claims only · Warranty: 1 yearScore 9/10
$349.99 Check price →
Certified for: Brand claims only · Warranty: 1 yearScore 8.75/10
$394.99 Check price →
AquaTru Under Sink Reverse OsmosisTHIS MODEL
Certified for: Lead · Cysts +9 · Warranty: 1 yearScore 9.75/10
Certified for: Lead · Cysts +9 · Warranty: 2 yearsScore 9.25/10
$449.99 Check price →
Certified for: Lead · Cysts +12 · Warranty: 1 year limitedScore 9.75/10
$449.99 Check price →
Similar models compared: price, certified for, cost per year, warranty, score.
ModelPriceCertified forCost per yearWarrantyScoreWhere to buy
SimPure T1-400ALK Tankless RO with Remineralization $349.99Brand claims only$1801 year 9/10 Check price →
Express Water Model 6 ROT600MBN Tankless Reverse Osmosis $394.99Brand claims only—1 year 8.75/10 Check price →
AquaTru Under Sink Reverse OsmosisTHIS MODEL $395Lead · Cysts +9$1301 year 9.75/10 Check price →
Aquasana SmartFlow Reverse Osmosis $449.99Lead · Cysts +9$3102 years 9.25/10 Check price →
Brondell Circle RC100 Reverse Osmosis $449.99Lead · Cysts +12$2051 year limited 9.75/10 Check price →
Daryna Klochko

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$395
Checked Oct 13, 2026
Check price at AquaTru
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