- Compatibility: Levoid kernel 200S is fully compatible with the smart wifi air cleaner. Please verify your air cleaner model before purchasing. - Filtration performance: 0.3 μm size filtration, capturing up to 99.7% of airborne particles such as hair, dust, smoke, cooking odors and household odors. Improves your home’s air quality and helps maintain fresher indoor air. - Core and backup filter: part of the Levoid Air Cleansing Core 200S, with a backup filter for the 200S to support continuous filtration. - Maintenance for optimum performance: clean the Core 200 spare filter every 2-4 weeks and replace the air filter every 4-8 months. - Benefits: reduces odors, minimizes airborne particles, and contributes to a healthier living environment with reliable performance. - Use scenarios: - In the kitchen, quickly reduce lingering cooking smells after meals. - In the bedroom, lower dust and allergens for easier, quieter nights. - In living rooms or offices, maintain fresher air during daily activities.