Set of 6 Compatible to Brita, PUR, Mavea water filter pitcher replacement filter This is aftermarket water filter, the quality is the same as the branding one Reduce choline,taste and odor, does not remove beneficial minerals. Reduces pollutants in water such as Limescale and heavy metals such as copper and Lead BPA Free Compatible to Brita, PUR, Mavea water filter pitcher replacement filter Replace filter every 40 Gallons. (About 2 months for average family).