Said to be a universal replacement for Brita filters used in different Brita water filtration devices.
Each filter can be used to fill about 300 water bottles.
Compatible with all Brita Pitchers, including the Aqualux, Atlantis, Classic, Chrome, Deluxe, Grand, Riviera, Slim, and Space Saver pitcher models.
Probably best if you have tap water with a bad drinking taste. Might also be helpful in making a better cup of coffee as tap water tends to be less than ideal for brewing coffee.