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 optimal 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 required. Remove the old filter, take the new filter out of the plastic packaging, place it in the unit, and it's ready to use. Quality Replacement Parts: Includes a 4-pack of HEPA filters to meet all your replacement needs. These filters are ideal for busy parents who want to keep their baby bottle drying machine running efficiently. Color: As shown Material: HEPA Package Contents: 4 x Filter Note: Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.