Does the IONIC PRO MINI AIR PURIFIER ever inevitability a filter? From their website it says nil? http://www.ionicpro.com/howitworks.html I am getting the Mini Also...

From their website it says nil?
http://www.ionicpro.com/howitworks.html

I am getting the Mini

Also is it just as equal as HOLMES HEPA AIR PURIFIER?

Like will it remove dust and so on?
I freshly open a rucksack of cotton ball....
Answers:    i am sure it does they all involve one mine does and they cost a pretty penny your getting a mini so you should be around 20dollars every 6 months thats not bad.