In addition to what rusty has posted I would point out that these other products are not delivering the safety level expected at their introduction as Alan has pointed out on many presentations . His classic statement on this area is they are just not doing it for health care workers Put that together with legislation in the USA now in force and about to be in force across Europe that basically requires the highest standard available and you see what a powerfull range UNS has
UNS Price at posting:
59.5¢ Sentiment: LT Buy Disclosure: Held