Aquasana Rhino WH-1000
#2 in TankFull review
For a household that wants to fit a filter and forget it for a decade on chlorinated city water.
Amazon $999$999
The Aquasana Rhino WH-1000 rates 3.3 among tank whole-house water filters; the 3M Aqua-Pure AP903 rates 3.1 among cartridge ones. The 3M Aqua-Pure AP903 costs $576.01 less ($422.99 vs $999).
3M Aqua-Pure AP903
#4 in CartridgeFull review
A certified, low mess choice for city water with chlorine, for owners who would rather pay more per cartridge than handle filters.
Amazon $422.99$422.99
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different build classes (tank and cartridge), 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 | Aquasana Rhino WH-1000 | 3M Aqua-Pure AP903 |
|---|---|---|
| Overall rating | 3.3/5 | 3.1/5 |
| Running cost 25% | 43 $0.95 per 1,000 gallons ($949 every 1,000,000 gallons) | 8 $2.45 per 1,000 gallons ($244.77 every 100,000 gallons) |
| Certification 25% | 30 tested to NSF/ANSI 42, not certified | 60 certified to NSF/ANSI 42 |
| Flow 15% | 20 7 gpm service flow | 50 10 gpm service flow |
| Price 20% | 76 $999 | 38 $422.99 |
| Warranty 15% | 100 10-year warranty | 100 25-year warranty |
Specifications
| Aquasana Rhino WH-1000 | 3M Aqua-Pure AP903 | |
|---|---|---|
| Filtration | ||
| Capacity | 1,000,000 gallons | 100,000 gallons |
| Replacement filters or media | $949 | $244.77 |
| Running cost | $0.95 per 1,000 gal | $2.45 per 1,000 gal |
| Stages | 4 | 1 |
| Certified | - | NSF/ANSI 42 |
| Tested to (not certified) | NSF/ANSI 42 | - |
| Chloramine | No | No |
| PFAS | No | No |
| Build | ||
| Flow | 7 gpm | 10 gpm |
| Ports | 1 in | 1 in |
| Backwashing | No | - |
| UV stage | No | No |
| Warranty | 10 years | 25 years |