Fit all Brita pitchers and dispensers.They reduce copper, mercury and cadmium that can be found in tap water. They also decrease the taste of zinc and both the taste and odour of chlorine. Replace water filters every 151.4ls, or approximately 2 months. One water filter can replace up to 300 standard 500ml water bottles. Water Filters Type: Pitcher Filter; For Use With: Brita Pitcher; Quantity: 3 per pack. Includes three filters per pack.