Product details
Xiaomi Smart Air Purifier 4 Lite Filter Pro is a Purple replacement filter designed specifically for the Xiaomi Smart Air Purifier 4 Lite. It combines several filtering layers in one cylindrical element, making it convenient to replace the purifier’s used filter as a complete assembly. The air purifier is sold separately.
The primary layer intercepts larger particles such as dust, hair and fine debris. An antibacterial coating adds a treatment designed to limit bacteria adhering to the filter and inhibit mould growth. Xiaomi’s high-efficiency filter material captures smaller particles, including pollen and PM2.5, while activated carbon provides an additional layer for odour adsorption. These components work together within the compatible purifier.
Xiaomi reports filtration of 99.97 percent of particles measuring 0.3 micrometres in laboratory testing of the filter material. That figure describes the tested material under the manufacturer’s stated conditions. It does not guarantee the same reduction throughout every room, since appliance operation, airflow, placement and surrounding conditions affect practical results. The filter combines mechanical filtration with electrostatic technology.
The official specifications give an external diameter of 175 millimetres and a height of 310 millimetres. Its Purple exterior helps distinguish this Pro replacement from other filter options. Select it using the complete compatible appliance name, rather than assuming that every Xiaomi purifier uses the same filter. Compatibility is specified only for Xiaomi Smart Air Purifier 4 Lite.
Xiaomi recommends replacement every six to twelve months. The appropriate interval depends on daily use and the filter’s condition. The compatible purifier’s Xiaomi Home app connection can display filter status and replacement reminders, helping owners plan routine maintenance. The filter itself is a passive component and has no separate wireless connection, electrical supply or controls.
Before replacement, switch off the appliance and follow its operating instructions for opening the filter compartment. Fit the element securely, close the compartment correctly and retain the supplied manual for reference. Keep an unused replacement clean and dry until it is required. The package contains one Filter Pro element and one user manual; it does not include an air purifier or additional replacement filters.
