Breathe cleaner, safer air every day with the Xiaomi Mi HEPA Formaldehyde Removal Filter S1, compatible with all Xiaomi Air Purifier models, including Mi Air Purifier 2 / 2S / 2H / 3H / Pro. This advanced filter is engineered to deliver superior air purification for a variety of environments—be it your home, office, or even a medical clinic—making it the optimal solution for anyone seeking enhanced air quality.
The Mi S1 Filter boasts high-efficiency H11-grade HEPA technology, capturing even ultra-fine particles. It effectively filters up to 99.3% of PM0.3 particles and 99.99% of PM2.5 particles, ensuring that dust, pollen, condensed fumes, animal hair, and plant fibers are removed from your indoor air. Its triple-layer construction
features a primary layer for large debris, an ultra-dense HEPA layer for microscopic particles, and a premium activated carbon layer with an anti-formaldehyde formula that absorbs harmful chemicals such as formaldehyde, benzene, and ammonia, as well as unpleasant odors and smoke.
The filter utilizes top-quality coconut activated carbon sourced from Southeast Asia, offering an impressive total specific surface area of 57,000 square meters—the equivalent of eight soccer fields! This extensive absorption capability ensures the effective removal of chemical pollutants and persistent odors, fostering a healthier and fresher indoor environment.
Designed with a 360° aerodynamic cylindrical structure, the Mi S1 Filter is easy to install and replace. Real-time filter monitoring is available through the Mi Home app, which tracks filter lifespan and sends notifications when replacement is necessary—helping you avoid reduced filtration efficiency or secondary contamination. For optimal performance, it is recommended to replace the filter every six months or sooner, depending on your
usage habits.
Use cases for the Mi S1 Filter include purifying air from dust, smoke, human and animal hair, plant fibers, pollen, tiny particles, and harmful gases such as formaldehyde and ammonia. It is ideal for homes with children or pets, offices with high traffic, and any space where superior air quality is crucial. Brand: Xiaomi. Model: Mi HEPA S1. Origin: China.
For best results, avoid cleaning the filter with water or a vacuum cleaner; instead, replace it promptly when the app indicates. With the Xiaomi Mi HEPA Formaldehyde Removal Filter S1, you and your loved ones can enjoy pure, healthy air every day—making your indoor environment safer and more comfortable.
