5 Count, Brita Pitcher Filters, Replacement Pitcher Filter For All Brita Pitcher Items, Reduces Chlorine, Mercury, Copper & More, Brita Filter’s Activated Carbon & Ion Exchange Resin Work Together To Filter Your Water So You Get Healthier, Great Tasting Drinking Water, Filters Should Be Replaced Every 40 Gallons, About 2 Months For The Average Family.