Passive water purification device



Verify ID:


Expiration date:

December 15, 2020 - December 14, 2021

Verification Mark

Applicable To:

ION AG 450

Marketing Claim Verified by UL

99.998% reduction of waterborne bacteria and virus after 24 hours in 500-liter tank

Verification Method

500 litter tanks were filled with General Test Water as described in NSF P231, Microbiological Water Purifiers and inoculated with MS2 Coliphage (ATCC 15597-B1) and R. terrigena per NSF P231 guidelines. The cultures were homogenized, and purification product was added to the tank. Efficacy assessment was made at the time interval claimed by drawing from the bottom of the tank. Samples were analyzed following Method EPA 1602, Male-specific (F+) and somatic coliphage in water by single agar layer (SAL) procedure for MS2 Coliphage and APHA Standard Method 9215C: Standard Methods for the Examination of Water and Wastewater for R. terrigena. Testing was completed on three separate units.

What is UL Verification?

UL Verification is an objective, science-based assessment that confirms the accuracy of marketing claims. Our independent assessment process scrutinizes the validity of specific advertising or promotional statements, giving you a way to separate verified fact from fiction.