Pentair FreshPoint GRO-575 5-Stage Reverse Osmosis review
By Daryna Klochko · Published · Specs checked Oct 15, 2026 · 
Scores 9.25/10, tied for 10th of the 20 RO systems we track. At $669.29 it costs more than the category median of $459.99. NSF and IAPMO lists it for Chlorine, Lead, Cysts, Total PFAS, Microplastics, TDS, Arsenic, Fluoride, one of 12 RO systems out of 20 with a certifier listing for a health claim. Its cartridge cost of about $238 a year is above the $205-a-year median of the 19 RO systems with a stated cartridge cost.
- Price
- $669.29
- Certified for
- Lead · Cysts · PFAS +13
- Flow
- Not stated
- Cartridge life
- 675 gal claimed
- Cost per year
- $238
- Warranty
- 1 year
Certification
Listed by NSF and IAPMO under NSF/ANSI 42 · 53 · 58 · 401 for Chlorine, Lead, Cysts, Total PFAS, Microplastics, TDS, Arsenic, Fluoride, checked Oct 15, 2026. Search the NSF listings
- Chlorine
- Lead
- Cysts
- Total PFAS
- 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 15, 2026. What a listing means and what it doesn't
Specs and sources
Checked Oct 15, 2026 · source under each valueFiltration
Cartridges and install
Buying
Warranty, returns and shipping
Warranty: 1 year. Returns: 30 days. Shipping: not stated by the brand. Source: Pentair data sheet, checked Oct 15, 2026.
Source: Pentair data sheet, 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 |
|---|---|---|---|---|---|---|
| A. O. Smith AOS-DFRO800 Tankless Reverse Osmosis | $474.99 | TDS | $290 | 2 years limited | 9/10 | Check price → |
| Brio G20-U ROSL700 Tankless Reverse Osmosis System | $499.99 | Brand claims only | $340 | 1 year (limited) | 8.75/10 | Check price → |
| APEC Water ROTL-A1000 Tankless Reverse Osmosis | $599 | PFAS · TDS | $192 | 1 year (limited) | 9.75/10 | Check price → |
| Kohler Aquifer RO (K-22155) | $648.75 | Lead · Cysts +13 | $656 | 5 years limited | 9.25/10 | Check price → |
| Pentair FreshPoint GRO-575 5-Stage Reverse OsmosisTHIS MODEL | $669.29 | Lead · Cysts +14 | $238 | 1 year | 9.25/10 | Check price → |
What owners say
Checked Oct 15, 2026Only 7 ratings on Amazon, too few to call. In our score this is 1.75 of 2 points. How we score
Store ratings change over time; the date shows when we checked.