Model Number H060524 is a disposable antibacterial evaporative filter for hybrid humidifiers. The differences between this model and others (H060518, H060511, H060509, etc.) primarily lie in the compatible models and the filter's size and performance (antibacterial properties, water absorption, breathability, etc.). H060524 is a new type specifically designed for "easy replacement," eliminating the need for citric acid cleaning and allowing for easy maintenance of cleanliness by replacing it approximately once per season. In other words, H060524 is a new generation of humidifier filter that emphasizes ease of maintenance.