General description This HEPA filter brush replacement set is designed for Roomba 800, 900, 850, 860, 861, 866, 870, 880, 890, 900, 960, 980, 981, and 985 series vacuum cleaners. It is an ideal replacement part that works as effectively as the original components, ensuring your Roomba vacuum cleaner maintains optimal performance. Technical specifications Compatible with Roomba 800, 900, 850, 860, 861, 866, 870, 880, 890, 960, 980, 981, and 985 series Made of durable and environmentally friendly materials Usage To ensure the best performance of your vacuum cleaner, it is recommended to replace the bristle brush and beater every 6 months. This replacement set is particularly suitable for households with pets, helping to clean floors more efficiently.