Advices are for using ions.

As use aero ionisers as cleaned from dust a rooms, where peoples are often visiting, as do not smoke, open window.
A put item,that his passages holes will direct on breathe organs, and work for aero ioniser controlling by indicator light.
As less a size from item to breathe organ,, that a fewer seances,for adaptation an organism to raise a time seance as slowly, beginning from ten minutes for one seance.

And for a goal as improving for aero ion regime at room,and health supporting, strengthening immunity, sleep, work capacity, fatigue loose, in working with computer, tv, conditioner, as ioniser using constantly as for 12 hours and more as put from itself on size at 1.2-4 m, and for cardiovascular preventing, breathe, lungs, nerves, and by doctor s advices, you can to increase a size from item till 1.7-1 metre, and get seances slowly as raising time from ten till 30 minutes for three times/day.

In alarm for acute respiratory diseases display a size from item will use as 0.5-0.7 m, and seances times are slowly raising from five till 20 minutes, for 4 times/day.

And for air cleaning, as ioniser is turning in for all time, till peoples absenting, after a better to remove all formed dust.