ultraviolet bactericidal lamp with double sterilized by ultraviolet and ozone. ultraviolet light sterilization of air and surfaces

air anti bactericidal bacterium black blue design destruction device disinfection equipment flat fluorescent germicidal germs health home hospital icon illustration kill lamp light logo medical microbe microorganism outline ozone pandemic pictogram portable protect radiation sign silhouette solar sterilizer sticker sun symbol ultra ultraviolet use uvc vector violet virus