Compatible Model: The roomba filter is compatible with irobot roomba E I & J Series i1 i3 i4 i5 i6 i7 i8 j7 j7+ E5 E6 E7 i3+ i4+ i5+ i6+ i7+ i8+ Robot Vacuum Cleaners. These replacement filters works as great as the original ones. High Performance: High-Efficiency Filter are made with high-strength and environmentally friendly materials, and consists high amount of pleats per filter. The filter with seal design captures up to 99% dust, dirty, pet hair, and small particles. Easy to Install: Our filter replacement for Irobot is easy to install without any tools.Please replace the filter every 2-4 months to help maintain your vacuum's optimum cleaning performance. Package included: 3 Pack Filters.!!! PLEASE NOTE: Our replacement for Roomba i7 i3 e5 filter can NOT be washed !!! It may damage the electrostatic attraction and affect the adsorption effect. Slapping it against a trash can is more than enough to work the dirt loose. Replacement or Full-refund Guarantee: It is devoted ourselves to provide our customer with quality product and excellent service at a reasonable price, and you can get a free replacement or full refund whatever you are not satisfied.