Perfectly Compatible: This HEPA filter replacement is compatible with Bottle Dryer Advanced and for Bottle. Premium Quality: Our HEPA filters can remove up to 99.9% of airborne particles as small as 0.3 microns, including dust, pollen, and other airborne particles, ensuring effective filtration for your baby's bottles. Long-lasting Performance: To maintain optimal performance, it is recommended to replace the filter every 1-2 months depending on usage. Easy to Install: This replacement filter features simple installation and durable construction. No tools are required. Remove the old filter, take the new filter out of the plastic packaging, place it into the unit, and it's ready to use. Quality Replacement Parts: Includes a 4-pack of HEPA filters to meet your long-term replacement needs. These filters are a practical choice for parents looking to keep their baby bottle drying machine functioning effectively. Color: As shown Material: HEPA Package Contents: 4 x Filter Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.