[Perfect Compatibility]The replacement parts are compatible with for Qrevo S, Qrevo Pro, Qrevo MaxV, QRevo Plus robot vacuum cleaner.Please be noted that: This is not an Original product. Any use of the name or model name is intended solely to demonstrate compatibility of this product. [Roller Brush]The anti- design of Qrevo S roller brush is effectively reduces hair problems. It also effectively absorb pet hair, dirt, dust and debris, suitable for floor types of wood, carpet or tiles. The scraping blades on it are made of premium rubber, more and clean the brushes of other . [Side Brush]Our Qrevo S side brush's innovative structural design effectively prevents hair and other garbage from being entangled and enhances the ability to collect garbage. It can get deep in to corners and snug against walls and baseboard to an excellent clean area. The bristles on our side brushes are made of premium nylon, which are more and clean better. [HEPA Filters]The Qrevo S robot filters of the