SimPure T1-400ALK Tankless RO with Remineralization review
By Daryna Klochko · Published · Specs checked Oct 15, 2026 · 
Scores 9/10, tied for 13th of the 20 RO systems we track. At $349.99 it costs less than the category median of $459.99. SimPure publishes its own test data, but we found no certifier listing for its reduction claims; 12 of the 20 RO systems have one. On Amazon, 57 of the 77 reviews that mention reliability are negative.
Reliability comes first: 57 of 77 Amazon reviews about reliability are negative
- Price
- $349.99
- Certified for
- Brand claims only
- Flow
- 0.28 gpm
- Cartridge life
- 6-month cartridge
- Cost per year
- $180
- Warranty
- 1 year
Certification
Lab-tested, not certified: SimPure publishes its own test data; we found no certifier listing that covers reduction claims.
SimPure also claims Chlorine, Lead, PFOA/PFOS, TDS, Arsenic, 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 15, 2026. What a listing means and what it doesn't
Specs and sources
Checked Oct 15, 2026 · all from simpurelife.comFiltration
Cartridges and install
Buying
Warranty, returns and shipping
1 year; a second year with registration (brand).
Warranty: 1 year; a second year with registration (brand). Returns: 30 days. Shipping: not stated by the brand. Source: simpurelife.com, checked Oct 15, 2026.
Source: simpurelife.com, checked Oct 15, 2026.
Compared with similar RO systems
All 20 RO systems →| Model | Price | Certified for | Cost per year | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| Brio G10-U ROSL500 Tankless Reverse Osmosis System | $299.99 | Brand claims only | $290 | 1 year (limited) | 9/10 | Check price → |
| Brondell Capella RC250 Reverse Osmosis | $329.99 | Lead · Cysts +18 | $205 | 1 year limited | 9.75/10 | Check price → |
| SimPure T1-400ALK Tankless RO with RemineralizationTHIS MODEL | $349.99 | Brand claims only | $180 | 1 year | 9/10 | Check price → |
| Express Water Model 6 ROT600MBN Tankless Reverse Osmosis | $394.99 | Brand claims only | — | 1 year | 8.75/10 | Check price → |
| AquaTru Under Sink Reverse Osmosis | $395 | Lead · Cysts +9 | $130 | 1 year | 9.75/10 | Check price → |
What owners say
Checked Oct 15, 202657 of 77 Amazon reviews about reliability are negative. In our score this is 1.5 of 2 points. How we score
- Quality413 mentions373 positive40 negative
- Water taste220 mentions194 positive26 negative
- Leakage78 mentions26 positive52 negative
- Reliability77 mentions20 positive57 negative
- Speed72 mentions32 positive40 negative
- Noise level69 mentions41 positive28 negative
Store ratings change over time; the date shows when we checked.