Pollution
Ionization
Model and price Certificats Patents Distributors Reference Scientific report Glossary Info-Systel Company
SIMPLICITY.
Not consumable (no filter...)
No Fan(no noise )
Little maintenance: ( a de-dusting every 15 Days)
Very low electric consumption(lower than 2 Watts is less 0,004 ? /day)
Easely integrable due to many model
Ozone 
Ionization 