A lower priced three stage big blue system for city water. Running cost is hard to judge without a gallon rating.
Amazon $254.99The Waterdrop WHF3T-PG rates 3.2 among cartridge whole-house water filters; the Aquasana Rhino Max Flow with UV rates 3.2 among tank ones. The Waterdrop WHF3T-PG costs $1,992 less ($254.99 vs $2,246.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

For a large house that needs high flow and wants UV added. Most city homes can skip the UV and pay less.
Amazon $2,246.99Scores side by side
These two sit in different build classes (cartridge and tank), and each is scored against the reference points for its own class, so a rating says how well each does among its own build peers. How we rank explains each factor.
| Factor weight | Waterdrop WHF3T-PG | Aquasana Rhino Max Flow with UV |
|---|---|---|
| Overall rating | 3.2/5 | 3.2/5 |
| Running cost 25% | 50 filter cost or capacity not published (neutral score used) | 31 $1.30 per 1,000 gallons ($1,299 every 1,000,000 gallons) |
| Certification 25% | 30 tested to NSF/ANSI 42, not certified | 30 tested to NSF/ANSI 42, not certified |
| Flow 15% | 100 15 gpm service flow | 90 14 gpm service flow |
| Price 20% | 68 $254.99 | 20 $2,246.99 |
| Warranty 15% | 0 1-year warranty | 100 10-year warranty |
Specifications
| Waterdrop WHF3T-PG | Aquasana Rhino Max Flow with UV | |
|---|---|---|
| Filtration | ||
| Capacity | 100,000 gallons | 1,000,000 gallons |
| Replacement filters or media | - | $1,299 |
| Running cost | - | $1.30 per 1,000 gal |
| Stages | 3 | - |
| Tested to (not certified) | NSF/ANSI 42 | NSF/ANSI 42 |
| Chloramine | No | No |
| PFAS | No | No |
| Build | ||
| Flow | 15 gpm | 14 gpm |
| Ports | 1 in | - |
| Backwashing | - | No |
| UV stage | No | Yes |
| Warranty | 1 year | 10 years |