Non Genuine cartridge to suit Krystal Klear 8 SQ FT Measures 200mm X 110mm WITH TOP AND BOTTOM HOLE OF 50mm **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