Dual HEPA Carbon Filter Ozonator Negative Ion Generator With Remote (C) and it comes with 1 yr warranty Washable Pre-Filter Catches Large Particles and Pollutants, it comes with 1 yr warranty Twin HEPA Filter Removes Dust, Pollen, Smoke Airborne Pollutants Like Pollen, Smoke, Dust, or Any Particles As Small As 0.1 Micron Negative Ion Generator Outputs of 3 Million/CC Remote Control