Features: Compatible with i and s series i3 i3+ i3 Plus(3550) i7(7150) i7+ i7 Plus(7550) i4 i4+(4552) i6 i6+ i6Plus(6550) i8 i8+ i8Plus(8550) s9 s9+(9550) j7+(7550) Robot Vacuum Cleaner. Dust Filters Made of ultrafine melt-blown fiber filter layer and non-woven fabrics, can block pollen and small dust particles very effectively. Filter is made of high quality materials, it is durable enough to be used for many times. To keep your robot running at peak performance, it is recommended to replace parts every 2 to 3 months. It is easy to replace and install on your robot vacuum cleaners, suitable for routine and effortless replacement without tools, easy to clean dirt and debris on the filter with free brush cleaning tool. Material: Plastic + Non-woven Color: As shown Package Contents: 4 x HEPA Filter 6 x Dustpan 1 x Clean Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little