Aquasana Clean Water Machine (AQ-CWM2) review
By Daryna Klochko · Published · Specs checked Oct 13, 2026 · 
Scores 9.75/10, tied for 1st of the 7 countertop filters we track. At $399.99 it costs more than the category median of $349. WQA lists it for Chlorine, Chloramine, Lead, Cysts, VOCs, PFOA/PFOS, Microplastics, one of 5 countertop filters out of 7 with a certifier listing for a health claim. Its cartridge cost of about $73 a year is below the $130-a-year median of the 7 countertop filters with a stated cartridge cost.
A long trial: 90-day returns, the longest among the 7 countertop filters
- Price
- $399.99
- Certified for
- Lead · Cysts · VOCs +4
- Flow
- 0.5 gpm
- Cartridge life
- 300 gal
- Cost per year
- $73
- Warranty
- 1 year
Certification
Listed by WQA under NSF/ANSI 42 · 53 · 401 for Chlorine, Chloramine, Lead, Cysts, VOCs, PFOA/PFOS, Microplastics, checked Oct 13, 2026. Search the WQA listings
- Chlorine
- Chloramine
- Lead
- Cysts
- VOCs
- PFOA/PFOS
- Microplastics
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 valueFiltration
Cartridges and install
Buying
Warranty, returns and shipping
Warranty: 1 year. Returns: 90 days. Shipping: not stated by the brand. Source: Aquasana data sheet, checked Oct 13, 2026.
Source: Aquasana data sheet, checked Oct 13, 2026.
Compared with similar countertop filters
All 7 countertop filters →| Model | Price | Certified for | Cost per year | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| Brondell Cypress H630 Countertop | $194.99 | Cysts · VOCs +2 | $150 | 1 year limited | 9.25/10 | Check price → |
| Waterdrop K19-SFK Countertop RO | $349 | TDS | $79 | 1 year | 9.25/10 | Check price → |
| AquaTru Carafe Countertop RO | $375 | Lead · Cysts +9 | $130 | 1 year | 9.75/10 | Check price → |
| Aquasana Clean Water Machine (AQ-CWM2)THIS MODEL | $399.99 | Lead · Cysts +5 | $73 | 1 year | 9.75/10 | Check price → |
| AquaTru Classic Countertop RO | $475 | Lead · Cysts +9 | $130 | 1 year | 9.75/10 | Check price → |