Non Genuine Onga BR9000 Replacement Cartridge Filter Cartridge filter (This is the element/paper cartridge insert only) Measures 500mm x 185mm with a centre hole of 75mm Open Both Ends **Please check your measurements as well as the information on the cartridge filter, as we cannot accept responsibility for incorrect orders. We will accept returns of cartridges in original box and condition but postage will be at the customers expense. *PHOTO FOR ILLUSTRATION PURPOSES ONLY