Far-UV Sterilray technology(222nm) was tested by multiple third parties that have publish papers comparing Far-UV with traditional UVC(254nm) and older pulse technology. All have shown Far-UV Sterilray superior to either technology Please click on links below to view papers.

Guelph Food Research Centre, Agriculture and Agri-Food Canada, Guelph, Ontario, Canada
Reduction of Patulin in Apple Juice Products by UV Light of Different Wavelengths in the UVC Range

Faculty of Biology, University of Bielefeld, Bielefeld, Germany
Higher effectiveness of photoinactivation of bacterial spores, UV resistant vegetative bacteria and mold spores with 222 nm compared to 254 nm wavelength

Photoreactivation of Escherichia coli and Yersinia enterolytica after Irradiation with a 222 nm Excimer Lamp Compared to a 254 nm Low-pressure Mercury Lamp

University of Missouri-Columbia
Comparison of Pulsed and CW Ultraviolet Light Sources to Inactivate Baterial Spores on Surfaces