Crafted from for longevity, this set includes side brushes that delves deeply into carpets, extracting more dirt and debris for a thorough clean Suitable for vacuum cleaners AV911S, RV1000, RV1000S, RV912S, RV913S, RV1001AE, RV1001AV, 1002AE, RV1000C, RV1000AEC, UR1000SR, UR1005AE, QR1000SG : Replacement parts can be cleaned and used over and over again, and are recommended to be replaced every 2-3 months to keep your vacuum cleaners in high working condition The roller brush is designed to dig deeply into carpets, effectively dirt, pet hair, and other residues from both carpets and hard surfaces The filter captures 99.97% of, dirt, hair, and other fine particles The side brushes are designed to reach deeply into corners and edges