The Xiaomi Mi Air Purifier Filter combines an aerodynamic 360-degree cylindrical design with a powerful triple-filter consisting of primary, HEPA and activated carbon layers. Easy to use and replace, its balance of power and quality is what makes Mi Air Purifier so effective. Primary Filter Provides 360-degree filtration of dust, hair and other large floating particles. HEPA Filter To trap PM2.5, PM0.3, pollen and other inhalable particles, allowing only clean air to pass through. Catalyst Activated Carbon Filter Effectively absorbs harmful chemicals such as formaldehyde, benzene and ammonia and decompose them to avoid secondary contamination. Easy and Fast Filter Replacement The filter design integrates three layers in one for easy replacement, and you don't need to replace them separately, which may cause secondary contamination. Specifications Brand Xiaomi Structure Primary filter, HEPA filter, activated carbon filter Suitable for Mi Air Purifier Package Weight 2.5kg Package Size 21 x 21 x 30 cm Package Contents 1 x Mi Air Filter