UV systems with LED lamps: no mercury, instant on and years between lamp changes.
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.
Best LED UV Water Purifiers: Up to 12 GPM
- iSpring UVF20 LED#1 of 1Full review
A low maintenance LED option for a modest home that already filters its well water. Too little is published to trust it as the only barrier on a contaminated well.
Amazon $309.99$309.9912 GPMNoLED
Best LED UV Water Purifiers: Over 12 GPM (Over 12 GPM)
- iSpring UVF50 LED#1 of 2Full review
The larger of iSpring’s LED units, for a home that wants mercury free UV with 1 in plumbing. As with all LED units here, little about its dose is published.
Amazon $499.99$499.9913.2 GPMNoLED - Purcooflow WHF25V LED#2 of 2Full 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$269.9913 GPMNoLED
