Desktop or Wall-hung Use Multi-stages Cleaning: Pre-filter, Ozone, HEPA Filter (For GH-9079H Only), Electrostatic Dust Collector (For GH-9079E Only) Air Inlet in Both Side with Twin HEPA Filter (For GH-9079H Only) Air Inlet in Both Side with Electrostatic Dust Collector (For GH-9079E Only) Separate Ozone Button Remote Control LED Fancy Displayer Two Speeds Selectable: High, Low 1-8 Hours Timer HEPA Filter 10,000 Hours Change Alarm with Change Reminding Indicator (For GH-9079H Only) HEPA Filter Reset Button after Change or Cleaning (For GH-9079H Only) Ozone output: 250mg/hour to 500mg/hour Suitable for Room of 80sqm Optional Component: Powerful UV Lamp, Negative Ion Generator (For GH-9079E Only) Unit Size (L x W x H): 430x310x125mm Unit Net Weight: 4kg Package: 1 Unit / Gift Box; 4 Units / Master Carton Stuffing quantity: 40 HFCL - 2210 Units 40 FCL - 1908 Units 20 FCL - 920 Units