Perfectly Compatible: This HEPA filter replacement compatible with for Bottle Dryer Advanced and for Bottle . Premium Quality: Our HEPA filters that can remove up to 99.9% of airborne particles up to 0.3 microns in size, includes dust, pollen and other airborne particles, ensuring the best filtration for your baby's bottles. Long-lasting Performance: To maintain the filter's performance, it is recommended to replace the filter every 1-2 months (depending on use). Easy to Install: This filter replacement easy installation and long-lasting durability. Our filters are very easy to replace, no tools required. Remove the old filter first, then remove our new filter from the plastic bag before placing it in the machine, and you are ready to use it. Quality Replacement Parts: Featuring a 4-pack, for all your replacement parts needs. Our replacement filters are an excellent choice for busy parents who want to keep their baby bottle washer machine operating at performance. Color: As Shown Material: HEPA Package Contents: 4 * Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.