High-efficiency filters compatible with i, e & j Series E5, E6, i1, i1+, i3, i3+, i4, i4+, i5, i5+, i6, i6+, i7, i7+, i8, i8+ Plus Robot Vacuums. Not for Combo J5+, Combo J7+, or Combo J9+. if you are unsure about compatibility; we are here to help within 24 hours. Replacing the high-efficiency filter helps maintain your Roomba's cleaning performance. It is recommended to replace the high-efficiency filter every 2-3 months. These high-efficiency replacement filters are easy to install and replace. Package includes 12 high-efficiency filters and 1 cleaning brush. Premium filter replacements help keep your vacuum cleaner running efficiently and capture 99.97% of fine dust as small as 0.03 microns to improve air quality. We aim to provide customers with a simple and streamlined shopping experience for appliance replacement parts and strive to offer high-quality products and service. Vacuum Part Type: Filters Color: White & Black Material: Plastic Package Contents: 12 x Filters 1 x Cleaning Brush 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 image and the actual item. Measurement may vary by +/- 1-3 cm.