Compatible Model: This kit is compatible with for G20, G20 Pro vacuum cleaner robot. The backpack attachment kit contains: 1 main brush, 4 side brushes, 4 HEPA filters, 2 wipes, 1 cleaning tool. Keep Homevac Cleaner Efficient: If the air filter of the robot vacuum cleaner is dirty and clogged, this seriously affects the dust cleaning effect and shortens the life of the inner dust collector. You only need to replace the filters every 3 months to maintain the filtration performance of the Robo-. Easy to Use The accessories are made of high-quality, high-strength and environmentally friendly materials, so it is not only durable, but also safe. Easy to disassemble and assemble. Colour:As Shown Material:Plastic Package Contents: 1 * roller brush 4 * side brush 4 * filter 2 * rag 1 * cleaning 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.