Formaldehyde filter for Xiaomi Mi Air Purifier 1S SCG4026GL, HEPA 3-tier, green, 1 pcs, replace every 6 months

This formaldehyde filter is a compatible replacement cartridge designed for the Xiaomi Mi Air Purifier 1S. It is formulated to target and reduce formaldehyde and other volatile organic compounds (VOCs) present in indoor air. The compact filter integrates into the purifier’s existing filtration path to help maintain air quality and support a healthier indoor environment when used as part of regular maintenance.

Advantages

The filter provides focused adsorption of formaldehyde and similar gaseous pollutants while preserving the purifier’s airflow and overall performance. Its compact size and standard shape make installation straightforward, enabling quick replacement without tools. By removing gaseous contaminants in addition to particulate capture performed by primary filters, it helps extend the effective life of the purifier and supports improved indoor air freshness.

Suitable for

• Homes and apartments concerned about formaldehyde from new furniture or renovation materials
• Bedrooms, living rooms and home offices where VOC reduction is needed
• Rooms using the Xiaomi Mi Air Purifier 1S that require periodic filter replacement

Key specifications

• Filter type: formaldehyde-adsorbing cartridge for gas-phase pollutants
• Compatibility: designed for use with the Xiaomi Mi Air Purifier 1S form factor and filter housing
• Form factor: compact cylindrical/flat cartridge suitable for standard insertion
• Primary function: adsorption of formaldehyde and reduction of common indoor VOCs
• Material characteristics: gas-adsorbent media (activated materials formulated for VOC capture)

How to use

Power off and unplug the air purifier before replacing the cartridge. Open the purifier’s filter compartment according to the device manual, remove the spent cartridge and insert the replacement filter in the same orientation until it seats securely. Close the compartment, restore power and reset the filter indicator if the purifier model provides that option. Follow the purifier’s maintenance schedule to determine the proper replacement interval based on usage and indoor air conditions.

Usage recommendations

Replace the formaldehyde filter as recommended by the purifier manufacturer or sooner if indoor sources of VOCs are present (new furniture, painting, renovations). Combine this cartridge with the purifier’s particulate filter(s) for comprehensive air treatment, and avoid exposing the filter to moisture or direct contaminants during handling and storage.