The Thermax AF2 has a revolutionary filtering system that uses natures’ best cleaning agent (Water) to trap the dirt, dust, germs and bacteria that are causing people so many allergy problems. The AF2 Home Environment Cleaning System was tested by 3 Independent Labs showing it’s rated at over 99.99% Allergy Free. Because it removes the source of Allergies it will reduce your allergy symptoms and cut your cleaning in half! Call direct at 888-764-3700 for pricing or info or check our website at thermaxaf.com.