This is a Bornado Vaporization Humidifier EV100-JP filter. The air passing through this filter is filtered and cleaned with dust, dust, and karm, and is moderately moisturized. Disposable for easy cleaning If used in a living room in a living room, the filter is approximately 4-12 weeks. Bornado recommends replacing it in 8 weeks. Filters filter water impurities and airborne dust, so the life may vary depending on the environment.