Qualtex Universal Water Filter Cartridges Compatible With Brita Classic Water Jug Qualtex compatible brita classic water filter Particle filter, ion exchange resin to reduce limescale, fast flow rate Carbon filter to remove chlorine / taste / odours, each filter lasts for 30 days Suitable for any water filter jugs using brita classic filters Please note this part is a non genuine compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only