THE SINGLE BEST STRATEGY TO USE FOR ELECTRONIC AIR CLEANER

I would like to create more airflow and develop cleaner air. am i able to take away the 5″ electrostatic cartridges as well as the one″ pre filter and insert a 4″ pleated merv8 air filter in its place? Or would I have to eliminate The full electrostatic device completely and replace it with a regular pleated air filter slot? An electrostatic