PUREBURG Replacement Filter Compatible with WaterFirst MistFree Y Evaporative Humidifier,2-Pack (6.3" D * 8.8" H) High-Efficiency Filter Air Clean

2-Pack,High-efficiency Replacement Filters, Dimension: 6.3"D * 8.8"H | Compatible with WaterFirst MistFree Y Evaporative Humidifier Please confirm the machine model and filter size before purchasing | High-quality filter paper and has excellent absorption. At the same time, it adopts a precise mesh design, which is not easy to collapse, can better output water, and can be used for a longer time. | The Filter Captures mineral deposits from humidifier water tank and prevents minerals. Provides you more healthy and comfortable air to breathe in. | Suggested replacing the filter every 3-6 months if using the humidifier every day.