Clean and Good Tasting: Ion exchange resin and premium granular activated carbon are effective in reducing chlorine, taste, odor, limescale and other impurities in water to provide fresh water and improve the flavor of drinks. 1 Month Filtration: It is recommended that you replace your water filter every month, which will vary depending on the quality of your water. Replacement model: Replacement for Brita Maxtra, replacement for Brita, Marella, Marella XL, Marella Cool, Style, Style XL, Elemaris XL, Aluna, Aluna Cool jugs, Mavea Elemaris system and Marella system, all old Brita all series of jugs. Also suitable for AmazonBasics, Dafi and Aquaphor jugs. Not suitable for Waterdrop, Aqua Optima, Laica and Levoit pitchers. This filter is not an original product.