HEPA Air Purifier W/ Hygrothermograph & Mood

(pre-filter + HEPA + activated carbon + Zeolite) plus a negative ion generator. FEATURES: 1.Nonwoven pre-filter traps large particles and pollutants and protect other filters2.HEPA captures 99.97% of particles like dust, dander, pollen and smoke as small as 0.03 microns.3.Activated carbon absorbs common gaseous pollutants, ozone, odors and tobacco particulates.4.Zeolite removes odors and gaseous pollutants, including VOCs. Plus, it can be simply recharged in direct sunlight to release absorbed pollutantsno need to replace.5. Negative ion generator emits negative ions to remove tobacco particulates and airborne irritants.6.Powerful fan provides large clean air delivery volume with quite operation.7.4-level speed selection with Auto mode.8.1/2/4/8 hours auto-timer.9.Built-in hygrothermograph.10.Soothing 7-color-changing mood light function. Certificate: CE/CB/GS/PSE/RoHS/PAHs