• While the system is under negative pressure:
    
• Each diffuser is removed, sanitized and cleaned.
   
• We clean each duct run with a Rotary Power brush through the supply ductwork from each diffuser back to the point of suction.
   
• After thoroughly cleaning, the non-porous components of the system are disinfected with an EPA registered biocide (if/when necessary).
   

The next 2 pictures illustrate this cleaning process