At Discount Leisure Products you can find a complete range of Hozelock products including all replacement spare parts at a discountned rate and with speedy shipping.
The Hozelock Casacade impeller spares kit is a complete replacement impeller for the pump and includes the ceramic shaft and the rubber locating caps.
Please note this kit is only for the 2006 plus models, if you cascade pump is older than this then you will need a different impeller.