Clean and Great Tadting: The premium ion-exchange resin and granular activated carbon used are effective in reducing chlorine, taste, odor in water to improve water quality and deliver fresh water. 1 Months' Refreshment: For best results and continuous refreshment, it's recommended to replace your filter every , which will vary based on your water quality. Replacenent Model: Compatible with for +, fits for , Marella, Marella XL, Marella Cool, Style, Style XL, Elemaris XL, , Cool, Elemaris system and Marella system, all old for all series of . Also fits , and . Not fits Waterdrop, Aqua , and . This filter is not an product. Colour:White Material:plastic Package Contents: 4 * Filter element Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.