High Quality: It is made of high-quality plastic material, with good durability and stability. Good elasticity, uniform thickness, and compliance with production standards.Recommend to replace the filter every 2-4 months depending on usage. Compatibility: Our Pre Filters Compatible with for A10 A11 EA10. HEPA technology: Filter out most of the dust, pollen, smoke, odor, mold spores and pet dander. The air filter captures particles as small as 0.3 Micrometres and larger, which helps to improve health. Easy to Install: Remove the dirt cup from the cleaner, remove the old filter. Install the filter in place.Replace the filter regularly, make your vacuum providing best cleaning performance.Free your hands from the complicated replacement steps. No extra tools needed. Keep fresh air: It can filter out harmful odors in the air, which is very suitable for people who want to keep the air fresh and control the air quality. It is an Perfect accessory for vacuuming and can the safety of the surrounding environment. Colour:As Shown Material:Plastic Package Contents: 6 * Front 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.