comparing filters
point to the filter type to see OUTPUT

 
     

INPUT

  

OUTPUT

     
   

filter type

 cost/year*   comments:
    electret 4.00    
    electret+CBP 4.25    
    room air cleaner 160.00   one for each large room
    HEPA 120.00    
    HEPA+CBP 120.25    
    electrostatic plug-in 50.00    
    allergen 60.00    
    allergen+CBP 60.25    
    activated carbon 30.00    
    cotton/poly 20.00    
    cotton/poly+CBP 20.25    
    tackified 30.00    
    tackified+CBP 30.25    
    washable 10.00    
    washable+CBP NA   low fiber surface area  
    glass 5.00    
    glass+CBP NA   low fiber surface area

*assumes a large, 4'x4' filter, changed quarterly

Richard Kunz, chemist
719 635-1325