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 long-lasting durability. No tools required. Remove the old filter, then remove the new filter from the plastic bag and place it in the machine—ready to use. Quality Replacement Parts: This 4-pack meets all your replacement needs. Our replacement filters are a great choice for busy parents who want to keep their baby bottle drying machine running efficiently. Color: As shown Material: HEPA Package Contents: 4 x Filter Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color variations between the item in the picture and the actual product. Measurement may vary by +/- 1-3 cm.