Applying STERI-7 XTRA using the STERI-7 ULV Biomister causes the minimum of disruption and downtime. It can be used to treat large or small areas, hard to reach ceilings or walls all in a short space of time. It also works as a powerful wind blower. After cleaning an area thoroughly, use STERI-7 ULV Biomister to kill up to 99.9999% of harmful pathogens such as Norovirus, Swine Flu, E.Coli, Salmonella, Legionella and many more. This provides Clients with the total Biosecurity and peace of mind they deserve.