Better extraction efficiency. The best work results. The replacement brush ring adapts automatically to unevenness and increases extraction efficiency. Better extraction thanks to outstanding adaptation to unevenness. Thanks to the flappable segment, routing up to the edge is possible. The brush ring is spring-loaded, and thus ensures less wear. For all work with the RG 130. Right up to the corners. Spring-loaded. The folding segment ensures complete removal right up to the edge.. The brushes adapt to the substrate through the spring system. This ensures good extraction and longer brush endurance. replaceable spare brush rim. for RG 130 ECI, RG 130, RGP 130