HQUA OWS-12
#3 in Up to 12 GPMFull review
A bare bones budget UV for a cabin or a well that already passes bacteria tests. Too little is published to rely on it for a known problem.
Amazon $199.99$199.99
3 HQUA UV water purifiers ranked. Each one is scored and ranked against every brand in its flow, so "#3 mid-size" means third of all mid-size UV water purifiers here, not third among HQUA's own.
HQUA makes 3 current UV water purifiers: 2 up to 12 GPM and 1 over 12 GPM. Prices run from $199.99 for the HQUA OWS-12 to $499.99 for the HQUA TWS-24S. Its best-rated model in each size: the HQUA OWS-12 (#3 of 9 up to 12 GPM, rated 2.7) and the HQUA TWS-24S (#6 of 9 over 12 GPM, rated 2.6).
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.
HQUA UV water purifiers 3
- HQUA OWS-12#3 up to 12 GPMFull review
A bare bones budget UV for a cabin or a well that already passes bacteria tests. Too little is published to rely on it for a known problem.
Amazon $199.99$199.9912 GPMNoMercury - HQUA TWS-24S#6 over 12 GPMFull review
A cheap high flow unit for a large home that wants a UV backstop in a small space. The rating is unverified, so size it generously.
Amazon $499.99$499.9924 GPMNoMercury - HQUA TWS-12#5 up to 12 GPMFull review
A compact budget unit for a tight utility room, with cheap lamps. Like other budget units it tells you little about the dose.
Amazon $259.99$259.9912 GPMNoMercury
