TheJBLRubber tip extractormakes it possible to pull the bearing bush of a filter or pump out at the end of the ceramic axis, which is difficult to reach otherwise. The brush enables a perfect cleaning of the tunnel in which the impeller rotates. Cleaning the impeller tunnel improves performance by restoring the original performance of the pump. Extractor tool and cleaning brush suitable for all JBL external filters and also for filters and pumps of other brands.