Ready-to-install impeller kit with shaft for the JBL internal filters CristalProfi i60 and CristalProfi i80 greenline Remove the pump head, remove the impeller well cover, take out the old impeller with shaft and insert the new one In the course of time, worn bearings can lead to running noises. A new impeller with a new shaft and new bearings will return it to its full performance and pleasantly quiet operation With durable stainless steel shaft Package contents: complete impeller with stainless steel shaft and both rubber bearings