Sapphire Resin Cartridge 116mmx250mm Blue SKU: 300520 MODEL: BC10R Error. try again later You've successfully joined the club $ 59 each Mitre 10 Variants For use in a jumbo housing for the removal/reduction of Lime and Magnesium build up. Features and benefits Mixed bed cartridge Ion resin and Carbon. Reduces Hardness such as lime and Magnesium. Reduces taste and odour. Whole house solution. Fits Sapphire BH10W housing.