Specific spare parts for Roomba E5, i7, i7+. Also models e6, e5154, e5158, i7154. Complete kit with 3 side brushes, 1 set of extractor rollers and 3 high quality filters. High quality replacement accessories and compatible with Roomba. Includes everything needed for replacement and commissioning. Without screws. The accessory kit for Roomba e5/i7/i7+ consists of 3 side brushes, 1 pack of extractor rollers and 3 filters. It is a set ideal for not having to replace parts for a while, although it always depends on their use. We specify the best method of maintaining spare parts and the replacement times: For the maintenance of spare parts, it is important to take care of them and clean them from time to time , the maintenance frequency and replacement times for spare parts are as follows: Filtersshould be cleaned ideally every 3 uses. They last 1 to 3 months depending on their use. Side brushes: must be cleaned every 4 uses. They last 1 to 3 months depending on their use. Central brushes: must be cleaned every 1 to 2 uses. They last 2 to 4 months depending on usage. It is important to do this because the accumulation of hair and dirt weakens your Roomba E5/i7 and over time can damage other components of your robot vacuum cleaner.