11.3 trillion ions generated per second 12-15 kv power supply 12 volt DC variable speed fan Produce up to 76 CFM with 38 DB. 3 year warranty Included! This latest model 300A air purifier covers up to 3500 sq ft of living space utilizing both activated oxygen and negative ions.This unit comes with 3 years of factory warranty. This air purifier can oxidize the molecules which cause orders that contaminate indoor air and aggravate allergic reactions such as sneezing, sinus and ear irritations, asthma and itchy eyes by significantly reducing chemical gases, paint fumes, tobacco smoke, fungi and mold. In high speed this machine will produce up to 76 CFM with 38 DB. *Does not meet CA requirements. *Cannot ship to state of CA.