Brio 3-Stage Under Sink Filtration System FUS300R review
By Daryna Klochko · Published · Specs checked Oct 15, 2026 · 
Scores 9.25/10, tied for 26th of the 32 under-sink filters we track. At $249.99 it costs more than the category median of $199.50. NSF lists it for Chlorine, Lead, Cysts, one of 29 under-sink filters out of 32 with a certifier listing for a health claim. Its cartridge cost of about $280 a year is 1.7 times the $168-a-year median of the 32 under-sink filters with a stated cartridge cost.
You might send it back: returns carry a restocking fee of 20%, while 29 of the 32 under-sink filters charge none
- Price
- $249.99
- Certified for
- Lead · Cysts · Chlorine
- Flow
- 0.5 gpm
- Cartridge life
- 1,500 gal
- Cost per year
- $280
- Warranty
- 1 year (limited)
Certification
Listed by NSF under NSF/ANSI 42 · 53 for Chlorine, Lead, Cysts, checked Oct 15, 2026. Search the NSF listings
- Chlorine
- Lead
- Cysts
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
1 year limited (Brio CARE registration required).
30 days from delivery, 20% restocking fee (briowater.com).
Warranty: 1 year limited (Brio CARE registration required). Returns: 30 days from delivery, 20% restocking fee (briowater.com). Shipping: not stated by the brand. Source: briowater.com, checked Oct 15, 2026.
Source: briowater.com, checked Oct 15, 2026.
Compared with similar under-sink filters
All 32 under-sink filters →| Model | Price | Certified for | Cost per year | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| 3M Aqua-Pure 3MFF100 Full Flow Under Sink System | $243.95 | Lead · Cysts +4 | $210 | 1 year | 9.5/10 | See specs → |
| Brio 3-Stage Under Sink Filtration System FUS300RTHIS MODEL | $249.99 | Lead · Cysts +1 | $280 | 1 year (limited) | 9.25/10 | Check price → |
| Aquasana Claryum Direct Connect | $249.99 | Lead · Cysts +5 | $184 | 1 year limited | 9.5/10 | Check price → |
| Pentair FreshPoint F2000 Under Counter Filter | $279.55 | Lead · Cysts +4 | $87 | 1 year | 9.75/10 | Check price → |
| 3M Aqua-Pure 3MDW301-F Under Sink System with Faucet | $294 | Lead · Cysts +8 | $278 | 1 year | 9.25/10 | See specs → |