TADIRAN AIROW 3™ is backed by science Campden BRI MemberThe Prestigious UK Based Laboratory Membership TUV RheinlandIEC 60335-2-65 Certified Intertek USUL 867 22-2 No. 187-20 Certified California Air Resources Board (CARB)Listed as CARB Air Cleaning Device EO Number G-21-438 CE MarkingTADIRAN AIROW 1 meets all the legal requirements for CE marking and can be sold throughout EEA Verified ZERO OZONE UL2998TADIRAN AIROW 3 meets UL 2998.Does not emit more than 0.005PPM as tested per UL867TADIRAN AIROW 3™ Scientific Booklet Download the booklet