AmazingAir 2000 4-in-1 Air Purifier + 2 year Filter Combo PackThe AmazingAir 2000 + 2 Year Filter Combo Pack gives you everything you need for more than two full years of cleaner, healthier air. From the moment you unbox it, the AmazingAir 2000 comes ready with its complete starter package: 1 UltraHEPA filter and 1 Carbon Gas Trap VOC filter (with Pre Filter attached)plus the purifier itself. With its advanced 3 stage filtration, the UltraHEPA captures 99. 99% of particles as small as 0. 003 microns, while the