US Water Systems Flexx InFusion Iron and Sulfur System (10 GPM) review
By Daryna Klochko · Published · Specs checked Oct 14, 2026 · 
Scores 8.5/10, last of the 4 iron filters we track. At $2,595 it costs less than the category median of $2,645. No certifier listing was found for it.
You might send it back: returns carry a restocking fee of up to 40%, while 1 of the 4 iron filters charges none
- Price
- $2,595
- Certified for
- None found
- Flow
- 10 gpm (brand)
- Cartridge life
- Not stated
- Cost per year
- Not stated
- Warranty
- 5 years
Certification
No certifier listing found.
The contaminants or other substances removed or reduced by this water treatment device are not necessarily in your water. Listing checked on Oct 14, 2026. What a listing means and what it doesn't
Specs and sources
Checked Oct 14, 2026 · source under each valueFiltration
Cartridges and install
Buying
Warranty, returns and shipping
5 years on the tanks and carbon filter, 2 years on the injection pump.
60 days, new and unopened, less shipping (restocking fee up to 40%); 1-year money-back if their specialists sized the system.
Warranty: 5 years on the tanks and carbon filter, 2 years on the injection pump. Returns: 60 days, new and unopened, less shipping (restocking fee up to 40%); 1-year money-back if their specialists sized the system. Shipping: not stated by the brand. Source: US Water Systems data sheet, checked Oct 14, 2026.
Source: US Water Systems data sheet, checked Oct 14, 2026.
Compared with similar iron filters
| Model | Price | Certified for | Cost per year | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| SoftPro AIO Iron Master Air Injection Iron Filter (1.0 cu ft) | $1,517 | — | $0 | Lifetime (limited) | 9.25/10 | Check price → |
| US Water Systems Flexx InFusion Iron and Sulfur System (10 GPM)THIS MODEL | $2,595 | — | — | 5 years | 8.5/10 | Check price → |
| US Water Systems Flexx Oxi-Gen Aeration Iron and Sulfur Filter (10 GPM) | $2,695 | — | $0 | 10 years | 9/10 | Check price → |
| US Water Systems Matrixx InFusion Iron and Sulfur System (10 GPM) | $3,294.95 | — | — | Lifetime | 8.75/10 | Check price → |