Air Multiplier technology Glass HEPA filter Jet Focus control 10 speed settings Removes 99.95 percent of allergens and pollutants from the air (1) Smooth oscillation - 70 degree oscillation angle Remote control 1.8 metre cord (1) Particles as small as 0.1 microns. Tested to EN1822. Gaseous capture tested to GB/T18801. Gaseous capture rate may vary.