We've used the UV light for the hood disinfectant, as well as just taken a break out in the sunshine. Both worked just fine Terri L. Braud, HT(ASCP) HNL Laboratories for Holy Redeemer Hospital 1648 Huntingdon Pike Meadowbrook, PA 19046 Ph: 215-938-3689 Fax: 215-938-2021 Honesty AccouNtability AgiLity CoLlaboration CoMpassion