Reliable Material: These humidifier filters are made of premium polyester, offering durability, no odor, good water absorbency, a large absorption area, and resistance to breaking or deformation, ensuring reliable performance. Product Functions: The mineral absorbent pads help prevent mineral buildup, purify minerals and impurities from water, and effectively filter out dandruff, minerals, dirt, and odors. This enhances humidifier performance and extends its lifespan. Compatibility: Designed for use with Levoit Humidifiers LV600S, LV600HH, and OasisMist 450S. Please verify your humidifier model before purchasing. This product is not sponsored, endorsed by, or affiliated with Levoit or any other brand. Specifications: Color: White; Material: Polyester; Product Size: 5.3 x 5.3 cm (2.09 x 2.09 inches) Package Contents: 20 x filter element Note: The package includes only the items listed above. Lighting effects and monitor settings may cause slight variations in color between the image and the actual item. Measurement tolerance: ±1–3 cm.