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 bottle drying machine functioning effectively. Color: As shown Material: HEPA Package Contents: 4 x Filter Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement allowance is +/- 1-3 cm.