Usage Tips:- Compatible with for E series i3 E5 (E5134) E6 (E6198) E7 I series i4+(4550 4552) i7+(7550)/i7 i3+(3550) i6+(6550) i8+(8550) j series J7 (7150) J7+(7550) . This set works as great as the ones, precision fit and easy install. [Highly Efficient Filtering Technology ] Two premium quality rubber brushes are perfectly matched, one for peeling off dirt and the other for sweeping dirt. The side brush reaches deep into corners and edges to remove more dirt, dust and debris. The cleaning filter blocks 99.97% of dirt, dust and other particles as small as 0.3 Micrometres in size [Easy to Install & Clean]Clean by hand washing in warm water and let it completely air dry before reusing them. Regularly clean replacements parts to improve suction and perford extendsmance an the life of your . For best results, edge-sweeping brushes and filters should be replaced every 2 - 3 months.Multi-surface rubber brushes should be replaced every 6 months. The Edge-Sweeping side Brush replacement for Robots reaches deep into corners and edges.Easy to install and durable, keeping your home clean with for vacuum cleaners. Colour: Material:plastic Package Contents: 2 sets * roller brushes 8 * filters 8 * side brushes 1 * cleaning brush Only the above package content, other products are not included. Note: Light 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.