Aquasana UV AQ-UV-MF
#8 in Over 12 GPMFull review
A certified high flow unit for a large home on treated or tested water that wants an NSF listing. Viqua’s monitored VH410M treats 14 GPM for less if certification doesn’t matter.
Amazon $1,598$1,598
The Aquasana UV AQ-UV-MF is the better UV water purifier overall, rated 2.6 to 2.1. The Aquasana UV AQ-UV-MF leads on certification, monitoring and warranty. The Purcooflow WHF25V LED costs $1,328.01 less ($269.99 vs $1,598).
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.
Purcooflow WHF25V LED
#12 in Over 12 GPMFull review
A low cost, mercury free UV stage for a home that already filters its water. A new product with little track record, so test the water after installing it.
Amazon $269.99$269.99
Which should you buy?
- Choose the Aquasana UV AQ-UV-MF for certification (NSF/ANSI 55 Class B (supplemental only) vs not NSF/ANSI 55 certified, and no UV dose published), monitoring (lamp failure alarm, lamp change countdown vs power light only) and warranty (3-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every over 12 GPM UV water purifier; a clear win is highlighted. How we rank explains each one.
| Factor weight | Aquasana UV AQ-UV-MF | Purcooflow WHF25V LED |
|---|---|---|
| Overall rating | 2.6/5 | 2.1/5 |
| Value 25% | 33 $122.92 per GPM ($1,598, 13 GPM at 40 mJ/cm²) | 65 $51.92 per GPM ($269.99, 5.2 GPM at 40 mJ/cm², from 13 GPM at an unstated dose taken as 16) |
| Certification 20% | 50 NSF/ANSI 55 Class B (supplemental only) | 0 not NSF/ANSI 55 certified, and no UV dose published |
| Monitoring 20% | 40 lamp failure alarm, lamp change countdown | 0 power light only |
| Lamp life 10% | 6 9,000 hour mercury lamp | 0 8,000 hour LED lamp |
| Warranty 25% | 22 3-year warranty | 0 1-year warranty |
Specifications
| Aquasana UV AQ-UV-MF | Purcooflow WHF25V LED | |
|---|---|---|
| Disinfection | ||
| Rated flow | 13 GPM at 40 mJ/cm² | 13 GPM |
| NSF/ANSI 55 | Class B | No |
| Lamp | Mercury | LED |
| Lamp power | 45 W | - |
| Lamp life | 9,000 hours | 8,000 hours |
| Monitoring | ||
| UV intensity sensor | No | No |
| Lamp failure alarm | Yes | - |
| Lamp change countdown | Yes | No |
| Shutoff valve | No | No |
| Build | ||
| Chamber | 304L stainless steel | - |
| Ports | 1 in | 0.8 in |
| Maximum pressure | 100 psi | 90 psi |
| Voltage | 120 V | 120 V |
| Warranty | 3 years | 1 year |
| Released | - | 2026-09 |