1) AS kills>6log ANYWHERE in the taped room 2) AS KILLS spores 3) Xenex lamps must be worn on your head because it only kills at 5.4 log IF< IF<IF it is within 1 meter of the bacterial source 4) Xenex does NOT kill spores 5) Xenex only kills airborn pathogens by 46%. That leaves a whopping 54% of all bacteria still hovering in the room during YOUR surgical treatment.
Otherwise, you do get free bulb replacements with Xenex.