Xiaomi Smart Air Purifier 4 Compact Filter

Key Filter Specifications & Features: Filtration System: 3-stage filtration (Primary filter + High-Efficiency filter + Activated Carbon). Efficiency: 99.97% filtration of 0.3μm particles, and up to 99.99% for particles as small as 0.1μm. Compatibility: Exclusively for the Xiaomi Smart Air Purifier 4 Compact. Dimensions: Approximately Φ175 × H171mm. Lifespan: 6–12 months. Key Capabilities: Captures dust, pollen, pet dander, lint, and smoke.