With the 6 cup space saver water filtration pitcher you get cleaner, fresher water without using bulky water coolers and wasting your money on expensive bottled water. zero water"s innovative five-stage filtration process offers more complete water filtration than ordinary carbon filters. filters remove virtually all the dissolved solids in tap water. and for convenience, the pitcher features a filter change indicator, which will notify you when filter needs to be changed. this pitcher is great for use in dorm rooms or offices since it fits nicely into a mini fridge.